40÷(1-38)
=40÷58
=64(米)
答:这段铁丝原有64米.
---Are you satisfied with what the captain explained?
---Not at all. It couldn’t have been________.
A.so bad
B.worse
C.the worst
D.the best
There()three plants in the corners of the room.
A.is
B.are
C.have