She has a gift for creating an atmosphere for her students ____allows them to communicate freely with each other.
A. which B. where C. what D. who
___ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
A. Reminding B. Reminded C. To remind D. Having reminded[
The lack of eco-friendly habits among the public is thought to be a major _____of global climate change.
A. cause B. result C. warning D. reflection
We are at your service. Don’t to turn to us if you have any further problems.
A. beg B. hesitate C. desire D. seek
For a moment nothing happened, then all shouting together.
A. voices had come B. did voices come
C. voices would come D. came voices
---- I' m surprised to hear that Sue and Paul have __ .
----So am I. They seemed very happy together when I last saw them.
A. broken up B. finished up C. divided up D. closed up