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二、单项选择
( )1.Oh, dear!What on earth __________this mean?
A. could B. can C. may D. might
( )2.The weather turned out to be very good, ____was more than we could expect.
A.what B. which C. that D.it
( )3.You _____________ me if I am wrong.
A. must obey B.don’t have to obey
C. wouldn’t have obeyed D.can’t have obeyed
( )4.Don’t you know _________ Mr Lee is one of the best teachers in my school?
A.if B. whether C.that D.what