Luyện tập về cách dùng động từ nguyên thể (tiếp)

Questions 1-4 refer to the following announcement.

Hello, students. This is Principal Aldrich speaking. After studying the weather reports and seeing snow, we have made the decision (1).... school tomorrow. The teacher and I hope to have the roads (2).... by tomorrow night so that school can open on Thursday. There aren't enough snow plows (3).... the snow tonight. Be careful tomorrow. Please persuade (4).... from driving.

1. (1)

cancel
to cancel
canceling
to canceling

2. (2)

clear
cleared
clearing
to clear

3. (3)

take care of
to take care of
to be taken care of
that taking care of

4. (4)

your parents to refrain
to refrain your parents
to be refrained your parents
your parents to be refraining

Luyện tập về cách dùng động từ nguyên thể (tiếp)

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