I tried to phone her, but even as I _____ she was leaving the building.
| A．phoned | B．would phone |
| C．had phoned | D．was phoning |
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
He told me only when he grew up and became a father himself how much his parents had loved him.
A had he realized B did he realized C he had realized D he realized