This is the best book _______I have read．（ ）
| A． |
that |
B． |
whose |
C． |
which |
D． |
who |
The kite in China more than 2，000 years ago．（ ）
A．inventsB．invented
C．is inventedD．was invented
﹣What's that noise，Sam？
﹣My little brother with his toy car now．（ ）
A．will playB．is playingC．playsD．played
We each other since I came to Beijing， but we send emails very often．（ ）
A．don't seeB．didn't see
C．won't seeD．haven't seen
I on the computer when Frank called me last night．（ ）
A．workB．will work
C．was workingD．am working
If you take this train， you in Shanghai in five hours．（ ）
A．arriveB．will arrive
C．arrivedD．have arrived