问题

I know a little bit about the city as I __________ there for one year in my youth

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

正确答案是：

同类题型

Much to our disappointment, things are not going so wellas _______.

a long time _______they separated,but it won’t be long ____ they meet again

The employees _______that they should renew their contracts within a week

____ . I”ll be as quiet as a mouse .

There are five _________ students in my school.