初三英语题 紧急！！

1.Trees can keep water from ____(run) away.

2.（选择题)Now the air in our town is _____than it used to be . Somethings must be done to stop it.

A.very good B.much better C.rather bad D.even worse

3.Some people can ___a foreign language____(自学）.

4.I`m gradually ________(习惯于）the table manners of America.

running

D

learn themselves

used to

running D learn themselves used to

running

D

learn by themselves

accustomed to

running

D

learn， by themselves

used to have

running

D

learn themselves

used to