题目内容
-I tried ________ out the math problem but I failed.
-Why not ________ it some other way?
[ ]
A.working, to try doing
B.to work, try doing
C.to work, try to do
D.working, to try to do
答案:B
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题目内容
-I tried ________ out the math problem but I failed.
-Why not ________ it some other way?
A.working, to try doing
B.to work, try doing
C.to work, try to do
D.working, to try to do