They are from the USA. They are ________ students.[ ]A. the USA B. America

题型：同步题难度：来源：

They are from the USA. They are ________ students.[     ]
A. the USA
B. America
C. American
D. Americans

答案

举一反三

My new pen pal is ________ of shy.     [     ]
A. a kind
B. kinds
C. kind
D. an kind

题型：同步题难度：| 查看答案

用所给单词的适当形式填空。 1. The teachers in our school are _________ ( friend) to us.
2. Please _________ ( be) quiet. The teacher is coming.
3. _________ (leaf) on some trees usually turn yellow in autumn.
4. There are three _________ ( box) of milk on the table.
5. The music sounds _________ ( relax) .

题型：同步题难度：| 查看答案

—Why do you like giraffes?
—Because they are __________.    [     ]
A. scary
B. ugly
C. fun
D. fierce

题型：同步题难度：| 查看答案

You must keep the classroom and tidy everyday. [ ]
A. clean
B. cleaned
C. to clean
D. cleaning

题型：专项题难度：| 查看答案

David is as        as Jack.[     ]
A. care
B. careful
C. more careful
D. the most careful

题型：同步题难度：| 查看答案