1. More chances to learn from each other ______ for students by working in groups.

　　A. provide B. will provide

　　C. was provided D. are provided

　　【點(diǎn)撥】第①步：分析句意。通過小組合作，將會(huì)為學(xué)生們______更多互相學(xué)習(xí)的機(jī)會(huì)。第②步：分析選項(xiàng)。provide一般現(xiàn)在時(shí);will provide一般將來時(shí);was provided一般過去時(shí)的被動(dòng)語態(tài);are provided一般現(xiàn)在時(shí)的被動(dòng)語態(tài)。第③步：分析句子結(jié)構(gòu)。謂語動(dòng)詞“provide”與主語“More chances”之間為動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。主語為“More chances”，謂語動(dòng)詞用復(fù)數(shù)形式。故選D。

　　2. Many people ______ that there would be a snowstorm next week.

　　A. tells B. told C.were told D. is told

　　【點(diǎn)撥】第①步：分析句意。很多人______下周將有一場(chǎng)暴風(fēng)雪。第②步：分析選項(xiàng)。tells一般現(xiàn)在時(shí);told一般過去時(shí);were told一般過去時(shí)的被動(dòng)語態(tài);is told一般現(xiàn)在時(shí)的被動(dòng)語態(tài)。第③步：分析句子結(jié)構(gòu)。謂語動(dòng)詞“tell”與主語“Many people”之間為動(dòng)賓關(guān)系，且賓語從句時(shí)態(tài)為過去將來時(shí)，所以用一般過去時(shí)的被動(dòng)語態(tài)。故選C。

　　3. Food safety is very important. So some rules______to stop people from polluting food.

　　A. should make B. should be made

　　C.was made D. has been made

　　【點(diǎn)撥】第①步：分析句意。食品安全非常重要。所以一些措施______來阻止人們污染食物。第②步：分析選項(xiàng)。should make一般現(xiàn)在時(shí);should be made含有情態(tài)動(dòng)詞的被動(dòng)語態(tài);was made一般過去時(shí)的被動(dòng)語態(tài);has been made現(xiàn)在完成時(shí)的被動(dòng)語態(tài)。第③步：分析句子結(jié)構(gòu)。謂語動(dòng)詞“make”與主語“rules”之間為動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。根據(jù)句意可知，此處是指“規(guī)則應(yīng)該被制定”，應(yīng)用情態(tài)動(dòng)詞“should”。故選B。

　　4. I plan to build an unusual house. It ______ out of waste materials.

　　A. is built B. has built

　　C.will be built D. builds

　　【點(diǎn)撥】第①步：分析句意。我計(jì)劃建造一個(gè)不同尋常的房子。它______由廢棄材料制成。第②步：分析選項(xiàng)。is built一般現(xiàn)在時(shí)的被動(dòng)語態(tài);has built現(xiàn)在完成時(shí);will be built一般將來時(shí)的被動(dòng)語態(tài);builds一般現(xiàn)在時(shí)。第③步：分析句子結(jié)構(gòu)。謂語動(dòng)詞“build”與主語“It”之間存在動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。根據(jù)句意可知此處表示還未發(fā)生的事情，應(yīng)用一般將來時(shí)。故選C。

　　5. In order to make our hometown more beautiful, lots of trees______in the past three years.

　　A. are planted B. were planted

　　C. have been planted D. will be planted

　　【點(diǎn)撥】第①步：分析句意。為了使我們的家鄉(xiāng)更漂亮，很多樹______在過去的三年里。第②步：分析選項(xiàng)。are planted一般現(xiàn)在時(shí)的被動(dòng)語態(tài);were planted一般過去時(shí)的被動(dòng)語態(tài);have been planted現(xiàn)在完成時(shí)的被動(dòng)語態(tài);will be planted一般將來時(shí)的被動(dòng)語態(tài)。第③步：分析句子結(jié)構(gòu)。謂語動(dòng)詞“plant”與主語“trees”之間存在動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。根據(jù)時(shí)間狀語“in the past three years”可知應(yīng)用現(xiàn)在完成時(shí)。故選C。

　　6. Hurry up! Once the concert starts, nobody ______(allow) to enter the concert hall.

　　【點(diǎn)撥】第①步：觀察語境，找到關(guān)鍵詞“Hurry up!”可首先判斷出本題的時(shí)態(tài)是一般現(xiàn)在時(shí);第②步：分析語境“nobody”與“allow”之間為動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。故填is allowed。

　　7. The speech competition___(regard) as a success. Many students joined it and they expressed their ideas as well.

　　【點(diǎn)撥】第①步：觀察語境，找到關(guān)鍵詞“joined”，“expressed”可首先判斷出本題的時(shí)態(tài)是一般過去時(shí);第②步：分析語境“competition”與“regard”之間為動(dòng)賓關(guān)系，應(yīng)用被動(dòng)語態(tài)。故填was regarded。