—I’m going to the States.
—How long ________ you ________ there?
| A．were; stayed | B．are; staying |
| C．have; stayed | D．did; stay |
.Only in this way ______ get rid of the bad habit-smoking.
| A．you can | B．can you | C．you will | D．can |
___ ____ I passed the interview!
___ Good luck to you. next time!
| A．If only | B．Only if | C．If | D．When |
—Li Lin is very bright and studies hard as well.
—It’s no ______ he always gets the first place in any examination.
| A．question | B．doubt | C．problem | D．wonder |
I wonder ____ we can solve this hard problem.
| A．what else | B．how else | C．that | D．as if |
He is not _____ to pass the final exam.
| A．possibly | B．possible | C．porbably | D．likely |