【題目】Experience of this kind in both the U.S. and Europe well before the Second World War.
A.have conducted
B.have been conducted
C.had conducted
D.had been conducted

【答案】D
【解析】根據(jù)句中時(shí)間狀語before the Second World War可知用過去完成時(shí)，由于experiments與conduct為被動(dòng)，故選D。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

【題目】I wish you ____________him my telephone number, but you did.
A.didn't give
B.hadn't give
C.wouldn't give
D.shouldn't give

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The popular star stood there,_______by many students.
A.surrounded
B.surrounding
C.to surround
D.surround

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】They wanted to move to a warmer c(氣候).

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】I'll go to the library as soon as I finish what I
A.was doing
B.am doing
C.have done
D.had been doing

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】______,we know each other well.

A. As time going onB. With time goes on

C. With time to go onD. As time goes on

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】It is reported that there will be a （猛烈）storm tomorrow morning.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】They are p about how to react, that is, they don't know what to do with the situation.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—And it was the ship that brought you to England.
—Yes. The fact is that I earned my passage by working as an unpaid hand, which my appearance. I went to the American embassy to seek help, but…(the brothers smile at each other.)

查看答案和解析>>

同步練習(xí)冊(cè)答案