题目内容
(请给出正确答案)
[单选题]
I'll paint the ceiling if you () a start on the walls.
A.make
B.made
C.did
D.making
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A.make
B.made
C.did
D.making
A.check
B.examine
A.while
B.until
C.before
B.give up
C.carry out
D.set about
B.two pieces of breads
C.two piece of breads
D.two breads