It is usually warm in my hometown in March, but it _____ be rather cold sometime. [ ]

—Has your son come back from abroad for the winter vocation?—Yes. But he stayed at home for only a week. Now he _____ back to college. [ ]

He suggested the person referred________ put into prison.

an important decision more on emotion than on reason， you will regret it sooner or later.

When we got there, he was about to leave, so he only had time to explain _____ to us what he thought of our plan