Have you ever been to Shanghai________？
A．a month ago
B．yesterday
C．ago
D．before
—Have you locked the windows________？
—Yes，I have________locked them．
A．already；already
B．yet；yet
C．yet；already
D．already；yet
When you travel to a city，you’d better buy a________to take photos．
A．newspaper
B．suitcase
C．guidebook
D．camera
—WhaI movie will be shown________TV tonight？
—Shaolin Temple．
A．in
B．at
C．from
D．on
（2010江苏扬州）—You have a nice watch．
—Thank you．I________it since I got married．
A．had
B．bought
C．have had
D．have bought
（2012陕西）Ten years has passed________the CCTV event People Who Moved China took ptace in 2002．
A．when
B．while
C．before
D．since
