1My sister.....that film sincd last week.
A.see
B.seen
C.have seen
D.has seen
2.What....do next SunDay morning?
A.would
B.did
C.are
D.will be able to
3.if you....hard,you will pass the exame
A.study
B.studies
C.are studying
D.have studies
4.If we theo trash on the road,we will....out environment
A.pollution
B.pollute
C.polluting
D.to pollute