We used to mistake that heavy objects fell faster than light ???? .

A. the ones?????????? ????????????? B. those???????????? ????????????? C. ones???????????? ????????????? 　D. these

By the end of last week, nearly 80 percent of the work ???? .

A. have finished?????? ????????????? B. had been finished??? C. will be finished?? ????????????? 　D. was finished

Focused on ???? your heart asks you to do, you’ll realize your dream one day.

A. that?????????????? ????????????? B. which???????????? C. what???????????? ????????????? 　D. it

Lady Gaga has put off her concerts because of the difficulties ???? by the ongoing strikes.

A. caused??????????? ????????????? B. causing?????????? ????????????? C. to be caused?????? ????????????? 　D. having caused

Cindy, ???? to be here at 8 o’clock.

A. is sure????????? ????????????? B. is sure that?????????? ????????????? C. will be sure???????? 　 D. be sure

???? necessary experience for my future career, I take an active part in social activities in college.

A. To gain?????????? ????????????? B. Gain??????????? ????????????? C. Gaining????????? ????????????? 　D. Having gained

You ???? get two tickets of Despicable Me Ⅱ, as I have promised .

A. may???????????? ????????????? B. can????????????? ????????????? C. need????????????? 　D. shall

A recent survey shows that the number of children who ???? from the countryside with their parents ???? ________nearly 320,000 in Beijing.

A. comes; are??????? ????????????? B. come; is????????? ????????????? C. come; are????????? 　D. comes; is

I first met Lily five years ago. She ___ as a nurse in a hospital at the time.

A. was working?????? ????????????? B. has worked?????? ????????????? C. had been working?? ????????????? 　D. had worked

Never ???? to him that he could be admitted to the famous university.

A. occurred it???????? ????????????? B. it did occur?????? ????????????? C. did it occur??????? ????????????? 　D. it occurred