Question

----Please try () out the math problem.-----I 'm too tired ()

A.to work; to tink it about
B.working; to think it about
C.working; to think about it
D.to work; that I can't think about

Answer 1

本题答案为：A.to work; to tink it about

解释：
try to do sth：尽力做某事；
think about：考虑；
当it用于think about中时，应该至于think about之间，即为：think it about

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Answer 2

选C
try doing sth 尝试做某事
too ...to.. 太......而不能......
think about it

Answer 3

答案是 C。