Question

IV.连词成句将所给单词连成句子。要求符合语法，语句通顺，大小写正确，单词不得重复使用，标点已给出。

1. hard,it's,stop,to ,ride

                                     .

2. are,to, save the earth,we, try

                                     .

3. air,is, the,polluted,bad

                                     .

Answer 1

1. It's hard to stop riding.

2. We are trying to save the earth. 

3. The air is badly polluted. /The air is polluted badly.