A. Did; do; finishedB. Have; done; have finishedC. Have……

单项选择题A: Why not go to see the dolphin show with me B: Because I（）it twice, let's go home.

A. saw
B. will see
C. see
D. have seen

单项选择题There are lots of things（）I need to prepare before the trip.

A. who
B. that
C. whom
D. whose

单项选择题Look （）! There's a train coming.

A. at
B. out
C. around
D. over

单项选择题—Have you seen the TV play My Ugly Mother —Yes, it's well worth（）. It's（）moving that I've seen it twice.

A. seeing; too
B. to see; enough
C. seeing; so
D. to see; such

单项选择题Children's Day is coming. Mrs. Lee is going to buy some DVDs for her son,（）

A. isn't he
B. isn't she
C. is she
D. is he

单项选择题A: Have you written anything on Chinese traditional food so far B:（）, but I have a plan for it.

A. Ever since
B. Later on
C. Not yet
D. From now on

单项选择题My mother（）the windows already, so the room looks much brighter.

A. has cleaned
B. had cleaned
C. is cleaning
D. will clean