______ the secret of nature, the young scientist has little time for entertainment．
| A．Devoted to research | B．Devoted himself to research |
| C．Devoted to researching | D．Devoting to research |
--Excuse me, I want to have my watch fixed, but I can't find a repair shop.
--I know___________ nearby. Come on, I'll show you.
| A．one | B．it | C．some | D．that |
--And besides,these colours are more____________ you.
--Do you really think so? I'll take it,then.
| A．becoming to | B．belonging to | C．referring to | D．used to |
Mr. Zhang is mild in character. He never shouts__________ he is very angry.
| A．to settle | B．setting | C．settled | D．being settled |
With a lot of difficult problems____________ , the manager felt worried all the time.
| A．to settle | B．settling |
| C．settled | D．being settled |
--Well done, Jack !
--Thanks. But given more time, I__________ it better.
| A．shouldn't have done | B．could have done |
| C．might not do | D．could do |