【題目】The young trees ______ every three days.
A.are watered
B.were watered
C.are watering
D.have watered

【答案】A
【解析】句意：這些小樹每三天被澆一次水。主語trees與water之間構(gòu)成動賓關(guān)系；every three days可知時態(tài)為一般現(xiàn)在時。故選A。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源： 題型：

【題目】-- did you buy this new bike?

--Last Sunday．

A. When B. Who C. What D. Where

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】Usually, Steve ________up at six o’clock, but this morning, he ________up at seven thirty.

A. woke ; wakes B. wakes ; is waking C. is waking ; woke D. wakes ; woke

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】一I don't know to use this machine.

一It doesn't matter. Here is the instruction.

A. when B. how C. where D. what

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】Mrs.Brown has two sons. The elder brother is medium-built.______ is as ______ as his father now.

A. Another, tall B. The other, tall

C. The other, taller D. Othere, tall

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】Miss Sarah made Tom _____ the classroom for a week because he was late for school this morning.

A. cleans B. cleaned C. to clean D. Clean

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】（題文）—Do you know that Mrs. Obama came to China with her mother and two daughters?

—Yes. And it is their ______ visit to China.

A. one B. first

C. the first D. once

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】Look ! Here's some water . Can you carry ?

A. they B. them C. it D. its

查看答案和解析>>

科目：初中英語 來源： 題型：

【題目】Don’t do everything for him. He is _______a child, he can do it himself

A. not longer B. any more C. not more D. no longer

查看答案和解析>>

同步練習(xí)冊答案