问题
选择题
— Listen! It is still noisy in the head teacher's office.
— Go and see _____ they have finished correcting the papers yet. [ ]
A.though
B.whether
C.unless
D.while
答案
答案：B
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— Listen! It is still noisy in the head teacher's office.
— Go and see _____ they have finished correcting the papers yet. [ ]
A.though
B.whether
C.unless
D.while
答案：B