Did your father catch the train— No. The train _______ before we got tothe railway station.

－ ________ does the bridge made of steel weigh －About 90,000 tons.

Who’s your favorite classmate—Linda. Although she came first in the exam, she didn’t __________ at all.

In America, many people waste a lot of food _____ in Africa people haven’t enough to eat

We tried to find a table for seven, but they were all _____.