— Have you been here before?
— Yes. This is the third time that I ______ to Shanghai.
| A．come | B．came | C．have come | D．had come |
The flowers were so lovely that they __________ in no time.
| A．sold | B．had been sold | C．were sold | D．would sel |
I know a little bit about Italy as my wife and I ________ there several years ago.
| A．are going | B．had been | C．went | D．have bee |
Susan wanted to be independent of her parents. She tried _____ alone, but she didn’t like it and moved back home.
| A．living | B．to live | C．to be living | D．having lived |
I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!
| A．was talking | B．has been talking | C．has talked | D．talked |
Teenagerstheir health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |