A.A.at
B.B.on
C.C.in
D.D.of
第1题
If the doctor had been available, the child ____________.
A.would not die
B.could not have died
C.might not die
D.should not have died
第2题
This maths problem is easy ______________.
A.work out
B.to be working out
C.worked
D.to work out
第3题
Show me your ______hand. Can you move it like that?
A.another
B.the other
C.other
D.the others
第4题
It was well known that Thomas Edison _____ the electric lamp.
A.discovered
B.invented
C.found
D.developed
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