问题

You speak such good English.Have you been abroad before?— Yes.I ________ in Britain four years ago.[ ]

A: studied
B: had studied
C: was studying
D: have studied

正确答案是：

同类题型

He tried to be ______, but his trembling hands gave him away.[ ]

They said good-bye, little knowing that they _______ again.

g Times reported theregulation, _____, would take effect on Jan1, 2012

There is growing _____ among the public about the safety of school buses after many accidents.

They were walking around the town a place for the party.