1.I needsome emails. a)to answer
b)answer
c)answering some emails. 2.The situation is difficult
a)for explain
b)explain
c)to explain
3.I don't know what
a)do
b)to do
c)that I do
4.I don't really mindhousework.
a)do
b)to do
c)doing
5.is one of the best forms of exercise.
a)Swiming
b)Swimming
c)Swim
6.bring our books tomorrow?
a)Do we have to
b)Have we to
c)Do we must
7 It's free. Youpay
a)don't have to
b)mustn't
c)haven't to
8 .You mustyour grandmother.
a)to call
b)calling
c)call
9.Youdrink so much coffee.
a)not should
b)don't should
c)shouldn't
10.I think you should___to her about it.
a)to talk
b)talk
c)talking
11 If she , she won't come back.
a)goes
b)went
c)'ll go
12.If they don't come soon, we___them.
a don't see
b won't see
c aren't see
13.Call me if youa taxi.
a won't find
b don't find
c didn't find
14.A Whose book is that? B It's
a my
b mine book
c mine
15.She forgot his birthday, but he didn't forget. a her
b she
c hers