In the after-class activities，the students had plenty of_________and gained a lot of practical _________.
| A．experience;experiences |
| B．practices;experience |
| C．practice;experience |
| D．exercise;knowledges |
John, look at the time._____ you play the piano at such a late hour?
| A．Must | B．Can | C．May | D．Need |
I was just talking to Mary when Jack _____
| A．cut in | B．cut down | C．cut out | D．cut up |
_______him and then try to copy what he does.
| A．Mind | B．Glance at | C．Stare at | D．Watch |
—You are saying that everyone should be equal, and this is ________I disagree.
| A．why | B．where | C．what | D．how |
______you have got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |