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【題目】—I haven't worked the problem out yet. What am I supposed to do?
—Try again! It’s only difficult.
A.a lot
B.a bit
C.too much
D.too many

A. with B. by C. of D. about

--- I think it’s under the table.

A. How B. Where C. What D. Who

A. can B. must C. should D. need

— Jack does, I think .

A. more careful B. most careful C. more carefully D. most carefully

A. How long B. How soon C. How much D. How often

A. On B. At C. For D. In

A. tell, show B. tell, will show

C. will tell, show D. will tell, will show

—________．

A. Yes，she is B. No，she doesn't

C. Yes，she does D. No，he isn't

A. in them own B. on them own C. on their own D. in their own