You must be of those dogs who don"t bark. [ ]A. c

题型：同步题难度：来源：

You must be           of those dogs who don"t bark.                [     ]
A. careful
B. careless
C. anxious

答案

举一反三

—Whose notebook is this?
—It must Li Ming"s. Look! His name is on it.

[     ]
A. belong
B. be
C. belong to

题型：同步题难度：| 查看答案

—Miss White, what"s wrong with my mother?
—Don"t be _     _ about her.  She is better now.               [     ]
A. worry
B. worrying
C. worried

题型：同步题难度：| 查看答案

Do you know the _____ boy? He is three years _____ than me.[     ]
A. young ; younger
B. young ; young
C. younger; younger
D. younger; young

题型：同步题难度：| 查看答案

To plant the tree, we must dig ______.[     ]
A. a three feet deep hole
B. a three-feet-deep hole
C. a hole three-foot-deep
D. a hole three feet deep

题型：同步题难度：| 查看答案

It is _ _ for students to protect our environment. [ ]
A. possible
B. impossible
C. bad

题型：同步题难度：| 查看答案