I stayed in Japan only a few matches, , I went through a series of hardship.
| A．during when | B．at that time |
| C．during which time | D．of which time |
—Hi, Mr．Brown! May I pick a flower in the park?
—____．
| A．No, you don’t | B．No, you mustn’t | C．No, go ahead | D．Yes, you could． |
Difficult as the question was, David ____ to find an answer．
| A．failed | B．succeeded | C．forced | D．managed |
Dickens visited America in 1842, publishing American Notes on his return and ____ his experience in another book．
| A．to include | B．including | C．to be included | D．included |
．____ the news, so far, has been good, there may be bad days ahead．
| A．While | B．When | C．If | D．As |
—We’d better go downstairs right now for lunch．
—____ They serve food 24 hours a day．
| A．Hurry up! | B．Take your time． | C．It doesn’t matter． | D．No way! |