Only when class began ______that he had left his book at home．
| A．will he realize | B．he did realize | C．did he realize | D．had he realized |
—The weather isn't good enough for an outing, is it?
—Not in the least. We can't have ______ at this time of the year.
| A．a worse day | B．a nicer day | C．such bad a day | D．so fine a day |
What an unforgettable experience! I’ll write it down ______ it is still fresh in my memory.
| A．since | B．while | C．after | D．until |
All the citizens, young and old, walked and sang, beautifully ______ in new clothes of all kinds, ______ the success of their football team.
| A．dressed; celebrating | B．wearing; to celebrate |
| C．dressed; to celebrate | D．worn; celebrating |
He promised to come, but he hasn't ______ yet.
| A．turned up | B．turned over | C．turned out | D．turned back |
—Do you think the rain will affect the football match?
—The players are used to such rainy weather, so it ______ make any difference to them.
| A．shan't | B．shouldn't | C．needn't | D．mustn't |