Luckily, all the students got out of the teaching building _ it fell down.
| A．until | B．before |
| C．since | D．While |
My school is different theirs. It has many after school clubs.
| A．in | B．by |
| C．of | D．from |
He alwayshis friends about everything. In fact, he has no thoughts of his own.
A、agrees with
B、plays with
C、deals with
Today iscolder than it was yesterday.
A、quite B、very C、even
He was very happy because he met an old friend of his on the road.
A、by accident
B、by mistake
C、by hand
—Do you knowthe meeting will start?
—In half an hour.
A、how soon B、how long C、how far