Paper﹣making by the Chinese in the Western Han dynasty（朝代）．（ ）
A．is inventedB．invented
C．was invented
friendly boy he is!．
Yes．He's always ready to help others．（ ）
A．What aB．WhatC．HowD．How a
Waiter，a glass of orange juice，please．
Sorry．Orange juice only for breakfast．（ ）
A．twill serveB．serves
C．is served
Hurry up!Jack for you to play basketball．
OK．I'm coming..（ ）
A．waitedB．is waiting
C．was waiting
What shall we do this weekend？
We'll drive to Dongjiang Lake boating．（ ）
A．to goB．goC．going
There are many tall trees on sides of the river．（ ）
A．bothB．allC．either