— Did you meet with the famous space hero?
— ___________ I had come here earlier.
| A．If only | B．If not | C．But for | D．For fear |
Life is limited, _____there is no limit to_____ the people.
| A．and; serve | B．but; serving | C．so; be served | D．besides; having served |
We all write _______ , even when there is not much to say.
| A．now and then | B．by and by | C．step by step | D．more or less |
It is believed _______ he has gone to Shanghai. The problem is ________ we can’t get in touch with him.
| A．when; that | B．that; that | C．that; whether | D．不填；不填 |
From the cheers and shouts of _________, I gathered that he was winning the race.
| A．promise | B．urgency | C．encouragement | D．hesitation |
—How did you ________ with that idea?
—I read a book.
| A．come up | B．take off | C．run over | D．make up |