___I had time,I would have played it again
| A．If | B．Uless | C．Had | D．When |
Wouldn’t it be ____ wonderful world if all nations lived in ____ peace with one another?
| A．the; / | B．a; / | C．the; the | D．a; the |
—Shall I help you with the washing up?
—．I'll do it later．
| A．Of course | B．Don't bother |
| C．That would be nice | D．With pleasure |
––What a journey! We’ve finally arrived!
––_____ an out-of-date train schedule, we would not have missed the train.
| A．Had we not used | B．Did we use |
| C．If we didn’t use | D．If we had used |
It was probably at that moment _____ I understood what kindness really was.
| A．that | B．when | C．which | D．what |
She _____ with the symphony orchestra three times this season.
| A．played | B．has played | C．has been playing | D．is playing |