题目内容
(请给出正确答案)
[单选题]
l am not sure whether l can gain any profit from the investment, so l can’t make a(n)______to help you.
A.exact
B.defined
C.definite
D.sure
答案
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A.exact
B.defined
C.definite
D.sure
第1题
A.am running
B.have been running
C.was running
D.had been running
第2题
A.Never mind
B.Here it is
C.OK, no problem
D.Yes, l am
第3题
A. You are sure of
B.Never be sure
C.Be sure not
D.You are not sure
第8题
l field must be selected.
第10题
A.sure enough
B.for sure
C.for certain
D.no problem