【題目】用所給詞的適當(dāng)形式填空。

1A lot of plastic ______(be) bad for the earth.

2Planting many trees can help us ______(keep) the air clean.

3We should ______(eat) fruit and vegetables every day.

4Please ______(not) waste water, Mike.

5We can use the lift ______(go) up and down.

6There are many plastic ______(bottle) on the table.

7We use wood ______(make) chopsticks.

8We shouldn’t ______(cut) down too many trees.

【答案】

1is

2keep/to keep

3eat

4don’t

5to go

6bottles

7to make

8cut

【解析】

1句意:太多的塑料對(duì)地球不好。主語塑料不可數(shù)名詞,謂語動(dòng)詞用單數(shù)形式,故答案為is

2句意:種植很多樹可以幫助我們保持空氣清潔。help sb (to) do sth幫助某人做某事,故答案為keep/to keep。

3句意:我們應(yīng)該每天都吃水果和蔬菜。吃eat,動(dòng)詞,should情態(tài)動(dòng)詞,后面用動(dòng)詞原形,故答案為eat。

4句意:邁克,請(qǐng)不要浪費(fèi)水。祈使句,不要做某事,用don’t do sth結(jié)構(gòu),故答案為don’t。

5句意:我們可以用電梯來上下樓。to do 不定式結(jié)構(gòu)表示目的,故答案為to go。

6句意:桌上有很多塑料瓶。there be句型,be動(dòng)詞取決于名詞的單復(fù)數(shù),此處be動(dòng)詞用了are的形式,故后面要用瓶子的復(fù)數(shù)形式,故答案為bottles。

7句意:我們用木頭來做筷子。use sth to do sth用……來做……,固定搭配,故答案為to make。

8句意:我們不應(yīng)該砍伐太多的樹。cut down trees砍樹,固定搭配。Should情態(tài)動(dòng)詞,后面需要加動(dòng)詞原形,故答案為cut

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