问题

It is about ten years _____ I met you last. [ ]
A: since
B: for
C: when
D:as
B: for
C: when
D:as
正确答案是:
同类题型
My father works a gym our school. [ ]
______, Mandy. Everything will get better soon.
How long have you _______________ the motorbike?—For about two weeks.
I’m sorry I _______ my English book at home.— That’s all right. Don’t forget to bring it next time.
Liu Yang is the first Chinese woman astronaut ______ has ever traveled in space.