How long have you been skating? I’ve been skating nine o’clock.
A、at B、for C、since
They spent as many hours as they could their lessons.
A、study B、to study C、studying
A：Where is your father?
B：He Australia and he Sydney for 2 weeks.
A、has been to; has been in
B、has gone to; has been in
C、has gone to; has been to
This book is as as that book.
A、more important
B、important
C、the most important
It’s very kind you to help me find the key my office.
A、of， of B、for， to C、of， to
—Could you move over a little and make some for me?
—Sure.Please.
A、place B、seat C、room
