The students are practicing their ___________ on the impacts of human activities on the environment.  (PRESENT)

PHẦN TỰ LUẬN (5.5 ĐIỂM)

I. Supply the correct form of the given word in each of the following questions to make meaningful sentences. (1.0 pt)

________ predict that we will run out of certain raw materials. (ENVIRONMENT)

He usually drinks coffee, but today he (drink) ___________ tea.

II. Give the correct tense or form of the given verbs (1.0 pt)

The government had promised (investigate) ____________ the cause of the accident.

We have organized several campaigns to protect the local environment.

@ Several ___________________________ to protect the local environment.

IV. For each question, complete the new sentence so that it means the same as the given one(s) using NO MORE THAN FIVE WORDS. (1.5 pts)

The airline is responsible for the safety of its passengers.

@ The airline takes ______________________________ of its passengers.