FORM 3 CLOSE UP PAGE 35 EXERCISE F (LANGUAGE AWARENESS)

Exercise F

Choose the correct words.

1. Animal conservation _____________ more important in the last 100 years.

• became

• has became

Exercise F

Choose the correct words.

1. Climate change _____________ many glaciers to melt.

• caused

• has caused

Exercise F

Choose the correct words.

1. The Giant Panda _____________ an endangered species for years.

• has been

• was

Exercise F

Choose the correct words.

The puppy _____________ milk from a bottle for two months.

• has been drinking

• drank

Exercise F

Choose the correct words.

The fishermen _____________ 50 kilos of fish since yesterday.

• has been catching

• has caught

Exercise F

Choose the correct words.

The scientists _____________ their research yet.

• haven't finished

• haven't been finishing