QQ, you can chat with your friends, makes communication easy．
A. how B. where C. that D. which
Lady Gaga has put off her concerts because of the difficulties _______by the ongoing strikes.
A. causing B. to cause C. to be caused D. caused
________ he driven more carefully, the accident would not have happened the other day.
A. Be B. Had C. Has D. Would have
It was ________ that saw a lot of close matches in the 16th Asian Games in November, 2010.
A. Guangzhou B. located in Guangzhou
C. in the city of Guangzhou D. held in Guangzhou
--- Beg your pardon, but I didn’t follow you．
--- Oh, I ______ myself．
A. would talk to B. talked to
C. had talked to D. was talking to
I think you should complain —________, of course, you are happy with the way things are.
A. if B. unless C. as D. because
