1.The problem of pollution.....worse these days.
A)will get
B)got
C)is getting
2.This time yesterday we.....in the sea.
A)swam
B)are swimming
C)were swimming
3.Doris.....in that office since April.
A)has been working
B)works
C)is working
4.He was hot because he.....in the sun.
A)sat
B)has been sitting
C)is sitting
5.I.....to you as soon as I get home.
A)wrote
B)have written
C)will write
6.Paul.....abroad once a month on business.
A)travels
B)is travelling
C)travel
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