1.I’m going t retire soon. Then I won’t … work anymore.
a) must
b) have to
c) can
d) should

2.My brother is thinking … sellling his car.
a) of
b) to
c) on
d) in

3.I would like my brother … a new book by this author.
a) buy
b) to buy
c) buying
d) had bought

4.In a panic, she started to run. Whoever it was, they … closer.
a) getting
b) are getting
c) were getting
d) got