Since nobody gave him any help, he __________ have done the research on his own.
| A．can | B．must |
| C．would | D．need |
Many students is not sure what to_______ at the university;they can’t make up their
mind about their future.
| A．take up | B．make up | C．pick up | D．build up |
When he was asked suddenly about the matter ,he couldn’t_____an answer at once.
| A．come up with | B．look for | C．put up with | D．answer for |
The shop assistants were fired as they were _________ of cheating customers．
| A．accused | B．charged | C．blamed | D．caught |
Although we _________many serious natural disasters, we are sure to overcome all difficulties.
| A．give away | B．affect with | C．suffer from | D．deal with |
Many Children ________ the Internet , and _____had a bad effect on their studies.
| A．are addicted to; it | B．get engaged in; which |
| C．are related to; what | D．are addicted to; which |