The government placed _____ on the numbers of foreign cars that could be imported.
| A．limitations | B．restraint |
| C．requirements | D．restrictions |
After waiting for seemed to be a century , a doctor came out from the operation room and informed us everything was OK.
A which B what C it D that
Facebook has become one of the most popular social websites. Its founder ___________when he started it years ago.
A could never imagine it B must have never imagined it
C must never imagine it D could have never imagined it
I feel sorry for myself .If Imore efforts to my studies , I wouldn’t be doing a job with such low wages.
A devoted B had devoted C should devote D were to devote
Scientists think they havein their attempt to find the causes of some major diseases
A broken through B worked though C got thought D gone though
She knew it was time to go off duty because the clock had justtwelve the time she goes home for lunch.
A hit B beaten C touched D struck