Mrs Zhang has taught ______math for three years and she teaches very well.
How many ______ socks do you need? [ ]
Could you tell me if Li Lei____________ to my party, Linda?—Sorry, I am not sure. If he ___________, he’ll call you.
. There are so many kinds of tape-recorders on sale that I can’t make up my mind ____to buy.
Take your maths book, Jim. Don’t ______ it at home again.