Theoldscientistdevotedmostofhi

The old scientist devoted most of his time __________ the space science.

A．develop	B．to developing
C．to develop	D．developing

登录免费查看答案和解析

相关试题

－Which team do you like best in the 2014 World Cup?
－I love Germany. Because they never give up____ there are difficulties in front of them.

A．but	B．even though
C．however	D．unless

收藏答案/解析

I found _______ interesting to watch the documentary A Bite Of China II．

A．it

B．that’s

C．that

D．it’s

收藏答案/解析

After an 8-week summer vacation, students usually ____ some weight when they return to school.

A．put away

B．put up

C．put in

D．put on

收藏答案/解析

—He dressed up as a ghost last night. How scary!
—Take it easy! He just played a trick ________us.

A．at

B．in

C．on

D．of

收藏答案/解析

—Lily, ______do you study for a math test?
—By asking my teacher for help.

A． How

B．Who

C．Why

D．What

收藏答案/解析