．________ surprising it is you should not know what has happened!
A．What B．How
C．That D．It
Not until I came home last night ________ to bed.
A．Mum did go B．did Mum go
C．went Mum D．Mum went
It was ________ he came back from Africa that year ________ he met the girl he would like to marry.
A．when；then B．not；until
C．not until；that D．only；when
Barry must have visited the Eiffel Tower before，________he?
A．mustn’t B．hadn’t
C．hasn’t D．needn’t
________，he talks a lot about his favorite singers after class.
A．A quiet student as he may be
B．Quiet student as he may be
C．Be a quiet student as he may
D．Quiet as he may be a student
________ and we’ll get everything ready for the taking off.
A．Have one more hour
B．One more hour
C．Give one more hour
D．If we have one more hour
