Don’t forget to____the lights when they are not in use!
A. turn over B. turn off C. turn up D. turn on
The traveler ______ his map to make sure he was not lost.
A.looked after B.looked up C.looked for D.looked down
If you want to join the Music Club. the form, please.
A.go out B.fill out C.get up D.warm up
Yueda Group has found a way to ________ waste water and prevent it from running into the river.
A.produce B.require C.recycle D.compare
—What do you think of Jason?
—He has ________ me with his good sense of humor.
A.admired B.warned C.considered D.impressed
It is important for us to ________ trade with foreign countries, because it will bring us more chances.
A.change B.check C.develop D.happen
