The writer was so ________ in his writing that he forgot to flick the ashes from his cigar.
| A．concentrated | B．devoted |
| C．absorbed | D．fixed |
I have no idea ＿＿＿ David is in trouble, he will turn to you for help.
| A．if | B．that | C．when | D．that if |
Who do you think Mr. Brown had ＿＿＿ within three months?
| A．driven | B．driving | C．drive | D．to drive |
The most useful learning in the world is that ＿＿＿ teaches us how to die well.
| A．that | B．which | C．/ | D．who |
We should realize that we can only achieve our goal if we are prepared to __ and learn from failure.
| A．deal with | B．depend on | C．carry on | D．go with |
Listen! His family must be quarrelling, ____?
| A．mustn’t it | B．isn’t it | C．aren’t they | D．needn’t they |