根據(jù)括號內(nèi)提示的內(nèi)容寫句子。

1．我們要學會依靠自己。（depend on）

2．博物館很近，為什么不走著去呢?（why not…?）

3．很抱歉讓你久等了。（keep sb. doing…）

4．劉翔是中國最受歡迎的明星之－。（one of）

5．班會已經(jīng)開了半個小時。（for）

    為落實科學發(fā)展觀，建設(shè)資源節(jié)約型和環(huán)境友好型社會，我國政府決定從今年6月1日起，超市等將被禁止提供免費的塑料購物袋。說明政府治理白色污染的決心。眾所周知污染已經(jīng)成為一個社會性的問題，請結(jié)合你身邊的現(xiàn)象談?wù)勀銓ξ廴具@－現(xiàn)象的認識�？蓮目諝馕廴�，水污染和人們亂扔垃圾談起，字數(shù)不少于80字。

―What are you looking _______?

―My watch. I can’t find it now. Have you seen it anywhere? 

A. up         B. for       C. out       D. back

Bring some ________ to school. You can drink it after having the P.E class.

A. bread      B. apples     C. juice      D. pears 

There ________ many old houses here ten years ago.

A. is         B. was       C. will be     D. were

―Don’t talk in class.

―________.

A. Yes, I will    B. Sorry, I won’t  C. Not at all     D. Don't say that

－Did you have fun at the party last weekend?

－Yes. We enjoyed ________ very much. 

A. ourselves     B. myself        C. us          D. me

Chongqing, our hometown, is one of ________ cities in the world.

A. the biggest    B. bigger        C. much bigger  D. big

―You went to sleep with the TV on last night. 

―Oh, sorry, mom! I forgot _______.

A. turning it off   B. to turn it off   C. to turn it down  D. turning it down

Tibet has been a part of China since _________ years ago.

A. hundred                      B. seven hundreds  

C. hundreds of                   D. seven hundred of