问题

I don’t know ______ to stay or go.

A:70 years
B:70 year
C:70-year
D:70-years;

正确答案是：

同类题型

John is very __________. －if he promises to do something he’ll do it.

Excuse me, where can I exchange _________— There’s a bank on the second floor.

Mum, I’m hungry! Can I have something —Oh, dear. You can only drink some milk. There is in the fridge.

He failed to_________ himself to the new environment.[ ]

She had a computer at home, and her parents desired that she ______ all her work at home.[ ]