内容正文:
Unit 8 We're trying to save the earth!
Section A 能力提升训练
B
B
D
A
B
A
E
B
D
C
save
for
plastic
more
and
amazing
made
facing
things
clean
Unit 8 We're trying to save the earth!
单元语法小专题(Grammar Focus)
must
can't
Could
Must
needn't
may/can
couldn't
had to
are sleeping
play
hurt
are used
has worked
to spend
have lived
to be
is polluted
is thrown
is woken
saw
grow
take
are flying
have planted
$$