Future Time Clauses and Conditionals

_________ you see a snake, back away slowly and do not provoke it.

• d) provided

• a) if

• b) unless

• c) as soon as

Answer explanation

The correct choice is 'if' because it introduces a conditional statement. The sentence implies that in the event you see a snake, you should back away, making 'if' the most appropriate word to use.

Tigers will only attack _______ they think you're attacking them.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is 'if' because it indicates a conditional situation. Tigers will only attack in the scenario that they perceive a threat, which aligns with the meaning of 'if' in this context.

Bears won't attack people ______ they're trapped or provoked.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is 'unless' because it indicates that bears will not attack people except in the case that they are trapped or provoked. 'If' suggests a condition that could lead to an attack, which is not accurate here.

Snakes will usually move away ___________ they hear you.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is c) as soon as, as it indicates that snakes will move away immediately after they hear you, which fits the context of the sentence. The other options do not convey the same immediacy.

___________ you stay absolutely still, the lion will lose interest and go away.

• a) if

• b) unless

• c) as soon as

• d) Provided

Answer explanation

The correct choice is 'Provided' because it indicates a condition that must be met for the lion to lose interest. The sentence implies that remaining still is a prerequisite for the desired outcome.

__________ you don't panic, the shark will probably swim away.

• a) if

• b) unless

• c) as soon as

• d) as long as

Answer explanation

The correct choice is 'as long as' because it indicates a condition that must be met for the shark to swim away. It implies that if you remain calm, the shark is likely to leave you alone.

_________ you get lost in the woods, you should stay calm and find shelter.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is 'if' because it introduces a conditional statement. The sentence implies that in the event you get lost, staying calm and finding shelter is the appropriate response.

_________ you have a map and compass, you should not go hiking alone.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is b) unless. The sentence implies that having a map and compass does not guarantee safety; therefore, you should not hike alone unless you have them, indicating a condition for safety.

__________ you realize you're lost, you should stay calm.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is 'as soon as' because it indicates that once you realize you're lost, the immediate action is to stay calm. 'If' and 'unless' do not convey the urgency, while 'provided' is not contextually appropriate.

_________ you have a first-aid kit, you can treat minor injuries.

• a) if

• b) unless

• c) as soon as

• d) provided

Answer explanation

The correct choice is 'provided' because it indicates a condition: if you have a first-aid kit, then you can treat minor injuries. 'If' could also work, but 'provided' emphasizes the necessity of having the kit.