— My sons are not a little restless．
— Oh? Boys _______ be boys．
| A．should | B．can | C．may | D．will |
Only when _____ possible to settle the problem.
| A．does the chief editor come will it be |
| B．the chief editor comes will it be |
| C．has the chief editor come it will be |
| D．the chief editor comes it will be |
The boy said ___ couldn't he work out the problem but his teacher didn't know how to do it.
| A．though | B．never | C．hardly | D．not only |
The headmaster hurried to the concert hall only _________ the speaker
| A．to find； left | B．to find； gone | C．finding； left | D．finding； gone |
.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 |