题目内容
（请给出正确答案）
It is difficult ______ a world record and even more difficult to ______ it.
A．keeping, set
B．keep, set
C．set, keep
D．to set, keep
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B.a so difficult job
C.such a difficult job
D.such a difficult work
A.difficult
B.the difficult
C.more difficult
D.the most difficult
A.speculate
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With a lot of difficult problems ______(settle), the new chairman is having a hard time.
A.正确
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It is difficult ______a world record and even more difficult to ______it.
A．keeping, set
B．keep, set
C．set, keep
D．to set, keep
I didn’t think maths ___ difficult for Tom.
A. is
B. are
C. was
D. were
A.错误
B.正确
