. A new technique ____, the production as a whole increased by % percent last ye

题型：不详难度：来源：

. A new technique ____, the production as a whole increased by % percent last year.

A．employing	B．having employed
C．to have been employed	D．having been employed

答案

解析

略

举一反三

. -----What makes him happy?
-----_____a prize in the computer contest.(which of the following are right)
A Because of winning B. For be won C. Wining D. His wining

题型：不详难度：| 查看答案

. Everyone in our class was working hard and doing what we could _______ a good college.

A．Enter

B．to enter

C．Entering

D．entered

题型：不详难度：| 查看答案

He ran as fast as he could _____ to catch the early bus.

A．to hope

B．hope

C．hoping

D．Hoped

题型：不详难度：| 查看答案

. He knows nothing about it, so he can’t help _______ any of your work.

A．doing

B．to do

C．being doing

D．to be done

题型：不详难度：| 查看答案

. All her time _______ experiments, she has no time for films.

A．devoted to do

B．devoted to doing

C．devoting to doing

D．is devoted to doing

题型：不详难度：| 查看答案