_______ the teacher’s instruction in the lab_____ important.
The two students ______ had a lot of discussion over the question.
I’ll go to the market. Do you have something ____?
____ the watch and see if you can find out what’s wrong with it.A. Pack up Break down C. Dig out D. Take apart
There is no doubt ____ John will come by bus.
Before you leave the lab, the doors and windows ____shut in case of rain.