Although Beijing didn’t establish its first Antarctic research base until 1985, Chinese efforts _________ its influence across the continent are now outpacing other nation’s plans.
A. expanding B. to be expanded
C. expanded D. to expand
So far, Mike has spent about $28,000 on the house and __________ it to cost about $38,000 when it is finished and furnished.
A. expected B.expects
C. has expected D. will expect
When effectively _______, the feedback we share with students or employees can develop their awareness of their own learning.
A. managing B. being managed
C. managed D. to manage
We all can feel something unusual about Kate, but she just _________ let us know what it is.
A. shouldn’t B. mustn’t
C. needn’t D. won’t
I can’t imagine what air we would be breathing in if we __________ anything to stop air pollution.
A. hadn’t done B. didn’t do
C. haven’t done D. don’t do
Experts suggest that parents should let their child do tasks that he is physically and mentally capable of doing by himself, ______ will help to build a self-confident kid.
A. that B. who C. which D. what
