【題目】According to the air traffic rules, you ______ switch off your mobile phone before boarding.

A . ought to B. may C. can D. would

【答案】A

【解析】

試題分析：句意：根據(jù)空中交通規(guī)則的要求，你應該在登機前關掉你的手機。ought to應該，應當。故選A。

練習冊系列答案
相關習題

科目：高中英語 來源： 題型：

【題目】In the park I saw an old lady I thought was your grandmother.

A. who B. whom C. which D. whoever

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Apple Inc, __________ the way we communicate with its smartphones, released the Apple Watch on March 9, 2015 in San Francisco, US.

A. changing B. to change

C. changed D. having changed

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】He ________ for the first time in his life that night.

A. gets drunk B. got drunk

C. was drinking D. is drunk

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—Will you attend the meeting this afternoon？

—But I ________ told anything about it．

A．haven't beenB．a(chǎn)m not

C．wasn'tD．won’t be

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The government has taken measures to______the high prices of daily goods to keep the market stable．

A．put downB．tear down

C．hand downD．bring down

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】One thousand people died in the disaster, ________ two hundred and fifty-five children.

A. were included B. including C. include D. included

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Jack coughed day and night. The doctor ______ him to ______ smoking.

A. hoped; give in B. suggested; give up

C. advised; give up D. promised; give in

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】People tend to love agricultural products ________ without the use of fertilizers, pesticides or chemical additives.

A. growing B. grown

C. being grown D. having been grown

查看答案和解析>>

同步練習冊答案