The problem is ______difficult that I can"t work it out. [ ]A

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The problem is ______difficult that I can"t work it out.                [     ]
A. so
B. such
C. so a
D. such a

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举一反三

— Have you _____ heard the story?
— No, not _____.   [     ]
A. ever; yet
B. already; ever
C. with; with
D. about; with

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－How often do you phone your family?
－_____.     [     ]
A. sometime
B. sometimes
C. some time
D. some times

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OK, mom, I play _____ with others.[ ]
A. not more
B. no more
C. not any more

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_______, he is always ________.[     ]
A. Late; lately
B. Lately; lately
C. Late; late
D. Lately; late

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The river is __ wider than that river.[     ]
A. very
B. too
C. to
D. so

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