四、听录音,补全短文,听三遍。
What can we do to our city clean? We can a bus or to school. We can put rubbish in the bin. We can't rubbish in the river or on the . We can also more trees. What things can we do?

()1.It is often ______ here in spring.
A.rain
B.rains
C.rainy
D.raining

()2.______ in the sun is ______ our eyes.
A.Read; bad for
B.Reading; bad at
C.To read; bad to
D.Reading; bad for

()3.Boys and girls, what can you do ______ our library clean?
A.keep
B.keeping
C.to keep
D.kept

()4.My cat ______ in my grandma's home three days ago, but now it ______ in my study.
A.was; is
B.were; isn't
C.wasn't; isn't
D.were not; is

()5.Sandy usually ______ to school at 7:00, but this morning she ______ to school at 7:30.
A.went; went
B.went; go
C.goes; went
D.goes; goes

()6.Sam's kite flew too ______ and he ______ hold onto it.
A.tall; couldn't
B.tall; can't
C.high; can't
D.high; couldn't

()7.Su Hai can't ______ her pen. Now she's ______ it.
A.look for; find
B.find; look for
C.find; looking for
D.look for; finding

()8.Sir, you can't ______ your car here. Here's a "No ______" sign.

A.park; parking
B.park; park
C.parks; parking
D.parking; parking

()9.We can't drive too ______ or use so ______ plastic bags.
A.much; much
B.many; much
C.much; many
D.many; many