题目内容
Ten minutes has been made full ________ of ________ the problem.
[ ]
A.using; studying
B.use; to study
C.to use; to study
D.use; studying
答案:B
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题目内容
Ten minutes has been made full ________ of ________ the problem.
A.using; studying
B.use; to study
C.to use; to study
D.use; studying