Several years after they got married he ____ chatting on the Internet until very late, which eventually resulted in their divorce.

A. took on           B. came to          C. took to              D. came about

The first African-American president of the United States received a（n） _____ welcome in the African countries, where he was received as a returning son．

A．romantic       B．bureaucratic    C．enthusiastic            D．optimistic

Wanda Plaza in Wuxi is _____ a shopping center．You can do almost anything there．

A．no more than         B．not more than

C．more than         D．rather than

It is said that many kids are worried about the year 2012, _____ , they think the earth will be destroyed by disasters．

A．where                B．as                       C．when             D．which

Those who tend to _____ to their fate are sure not to make any achievements.

A. submit          B. subscribe        C. correspond     D. apply

—Are you going to stay overnight?

                    —Not _____ it's really necessary．

A．unless               B．if                       C．until           D．since

It's not necessary to explain the truth _____ there is spring wind, there is green grass．

A．which wherever                                   B．that which

C．which when                                       D．that wherever

Li Gang, a police officer said that little about what his son _____ he know the moment all the media reported the traffic accident _____ in Hebei University．

A．did did; happening                               B．did do; happened

C．would do; happening                              D．could do; happened

After the flood, what the local government did first was to provide _____ for the homeless families．

A．furniture                           B．occupation 

C．equipment                           D.accommodation

You could have watched the movie Transformers 3 last night．Why _____ you?

                    A．didn't                   B．haven't      C．hadn't           D．shouldn't