must do away with
must have done away with
must being done away with
must be done away with
第1题:
a rock
the group of bees
a hill
the river
第2题:
soon
busily
hardly
often
第3题:
early
unhappily
quickly
wonderfully
第4题:
Two.
Three.
Four.
Five.
第5题:
through
along
out
aside
第6题:
when
than
then
whenever
第7题:
the woman was sitting by her window
the woman’s window was still terrible
the woman did cleaning in the afternoon
the woman’s window was clean
第8题:
occurred
feared
shook
struck
第9题:
直平行六面体
长方体
正四棱柱
正方体
第10题:
Because time is too expensive
Because time will get back
Because we are too poor
Because time never returns