选择
A:Why was he late for school yesterday?
B:He overslept . By the time he got to the bus stop,the bus ___already ___.
A.was ;leaving B.has ; left C.would ; leave D.had ;left
解答:D
解析:公共汽车在到车站之前就来了,所以用过去完成时。
选择
We () here today .
A are all
B all are
C is all
D all is
解答:A
解析:副词放在be动词之后。