Question

在橫線上填入所缺部分，使句子完整（注意：每空不止一個(gè)單詞）

1.Unless you go along the river , you _____________________( 迷路) in the forest.

2._____________________________________________( 減少空氣污染) is everyone’s duty.

3.The book Tiny Times written by Guo Jingming ________________________________( 值得一讀).

4.----I called you just now , but got no answer.

  ---- Sorry。 I_____________________________________( 發(fā)送電子郵件)in the library then.

5.I think this journey is _________________________________________( 最愉快的經(jīng)歷).

 

Answer 1

【答案】

 

1.will get lost / will be lost / will lose your way

2.To reduce/ Reducing air pollution

3.is worth reading

4.was sending/ writing an e-mail / e-mails

5.the happiest / most pleasant / enjoyable experience

【解析】

1.前面是條件狀語(yǔ)從句，后面是主句，用一般將來(lái)時(shí)。     

2.此動(dòng)詞短語(yǔ)做主語(yǔ)，可用不定式或者現(xiàn)在分詞形式。

3.be worth doing sth“值得做……”，表示現(xiàn)在的情況，用一般現(xiàn)在時(shí)。                            

4.句末有then，時(shí)間是當(dāng)時(shí)打電話時(shí)，強(qiáng)調(diào)當(dāng)時(shí)正在進(jìn)行，用過(guò)去時(shí)行時(shí)；

5.使用形容詞的最高級(jí)形式。