All the students in Class 5 will climb the mountain if it _______ rain tomorrow.
#42615
A
won’t
B
don’t
C
didn’t
D
doesn’t
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When ,____your father ____back? When he _________ back, please give me a ring.
#40276
A
does; come; will come
B
will come; comes
C
will; come; will come
D
does; come; comes
Have you finished you work  ? Yes, I have finished it  . I finished it    1 hour ago. 
#39927
A
already ,yet ,/
B
yet , already, /
C
yet ,yet, since
D
yet ,already, since
—Have they got their new house painted yet?—I don't know. But I was told it ________ when I met them last week.
#63700
A
had been painting
B
would be painting
C
was painted
D
was being painted