题目
A.were they
B.they were
C.was it
D.it was
第1题
Engineers can perfect the mechanism to all sorts of complicated real-world problems.
A.Y
B.N
C.NG
第2题
In children's eyes, their parents can ______ all sorts of problems.
A.deal in
B.deal with
C.take in
D.decide with
第3题
The secretary can use and control ______ all sorts of the office software.
A.proficiently
B.sufficiently
C.conveniently
D.potentially
第6题
______alone, young children can get themselves into all sorts of trouble very quickly.
A.If left
B.Leaving
C.To leave
D.Having left
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