下面哪个短语用于讲故事的开头比较合适？
| A．Once or twice | B．From time to time |
| C．Once upon a time | D．For the first time |
—The boy’s father failed to find a job. ______. He got a cancer.
—How sad! We should give him a hand.
| A．It never rains but pours |
| B．Every dog has its day |
| C．A miss is as good as a mile |
| D．The grass is always greener on the other side |
—Sir, could I hand in my homework a bit late?
— _______, since you’ve been unwell these days.
| A．You can’t be serious | B．I’m afraid not |
| C．Good idea | D．Well, all right |
— The light in his room is still on. Do you know _______?
— Maybe at midnight again.
| A．what’s he doing | B．why he stays up so late |
| C．if he is busy studying | D．when he will stop working |
______ interesting the book is ! I want to buy one, too.
| A．How | B．What | C．How an | D．What an |
Through the V-Day parade we show ______ our strength, _____ the Chinese people's mind to keep peace.
| A．either…or | B．neither…nor |
| C．not only…but also | D．both…and |