NETWORK 4, MODULE 1A demo

According to scientists, hurricanes have become stronger because of … .

• global warming

• renewable energy

• oil spills

In 2011, an underwater earthquake off Japan’s coast … a tsunami.

• restored

• banned

• caused

Eating fish from this polluted river is a … to people’s health.

• source

• threat

• destruction

Brian … never … before, so he’s a bit nervous.

• didn’t … fly

• has … flown

• hasn’t … flown

The biologist … several times recently about how plastic harms marine life.

• spoke

• has spoke

• has spoken

How … you first … about the effects of global warming?

• did … heard

• have … heard

• did … hear

During his journey, he was … to many dangers.

• exposed

• banned

• restored

1 My friend and I … for the beach clean-up last weekend.

• volunteered

• has volunteered

• have volunteered