Great discoveries ______ in space exploration in the last few decades.（　?。?/h1>

A．were made	B．have made
C．a(chǎn)re made	D．have been made

【答案】D

【解答】

【點評】

聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。

發(fā)布：2024/12/20 8:0:13組卷：75引用：3難度：0.7

相似題

1．This city

（undergo） great changes since 1981.
發(fā)布：2024/12/20 20:0:2組卷：17引用：1難度：0.7
解析
2．Don't call me between 12：30 and 13：00.I ______ a nap.（　?。?/h2>
A．take B．a(chǎn)m about to
C．will be taking D．have taken
發(fā)布：2024/12/19 23:30:6組卷：12引用：2難度：0.7
解析
3．In the last thirty years，the number of people participating in physical fitness programs ______sharply.（　　）
A．will be increasing B．has increased
C．were increasing D．have increased
發(fā)布：2024/12/20 16:0:2組卷：58引用：4難度：0.5
解析

把好題分享給你的好友吧~~

A．take	B．a(chǎn)m about to
C．will be taking	D．have taken

A．will be increasing	B．has increased
C．were increasing	D．have increased

Great discoveries ______ in space exploration in the last few decades.（ ?。?/h1>