A. it must be raining
B. it must rain
C. it must have rained
D. it must have been rained
A. Have I had time
B. Had I time
C. Had I had time
D. would I have had
A. changed
B. changing
C. to be changed
D. to change
A. Know
B. To know
C. Knowing
D. Being known
A. paint
B. be painted
C. to paint
D. painted
A. does B. takes C. makes D.gets
A.preserve B.deserve C.eonserve D.reserve
A.kept in touch with B.faced up C.turned the clock back D.slowed down
A.Because of B.In spite of C.In case of D.But for
A.take on B.get on C.put up D.look up
A.Very well
B.All right
C.That’s great
D.It’s OK
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