单选题：Off _____ without so much as a "good-bye". [ ]A. does Ka..

Not only _____ polluted, but _____ crowded.A．was the city; were the streetsB．the city was; the streets wereC．was the city; the streets wereD．the city was; were the streets

_____ got into the room ______ the telephone rang.[ ]A. He hardly had; thenB. Hardly had he; whenC. He had not; than D. Nor had he; when

He, _____ in a poor family, became one of the greatest writers in the world.A．as bornB．that isC．who isD．although born

If ＿＿＿＿＿ the same treatment again, he is sure to get well. A．givingB．giveC．givenD．being given

_______,but it is also a great way to lower the number of greenhouse gases in the air.A．Not only a fun thing is it to doB．Not only a fun thing to do it isC．Not only it is a fun thing to doD．Not only is it a fun thing to do