问题
Why are you late, Jim?—Because there _________ a lot of traffic when I came here.
A:is
B:are
C:was
D:were
B:are
C:was
D:were
正确答案是：
同类题型
The fire is dangerous. We should _____________ as quickly as possible.
Shall I take my swimming suit ?–No , you _____ . We will just go hiking in the mountain .
I called you last night but you were not in. — Yes, I dinner with my parents in the restaurant then.