It's impossible for her to have more free time to accompany her parents because her work ______ much of their time.
The lack of eco-friendly habits among the public is thought to be a major _____of global climate change.
We are at your service. Don’t to turn to us if you have any further problems.
For a moment nothing happened, thenall shouting together.
---- I' m surprised to hear that Sue and Paul have __. ----So am I. They seemed very happy together when I last saw them.
Please do me a favor ---______ my friend Mr. Smith to Youth Theater at 7:30 tonight.