1.  Because they always against to our body, we used all kinds of ways to drive off or kill them.

2.  they also give off fragrance, they Decorate the house and make the environment clean , they bring happy for us .

3.  Wu Dong jump into the river without taking off the clothes.

4.  I took off my clothes and jumped into the river.

5.  We Decided to set off at eight.

6.  We Decide to set off at eight.

7.  when the clock struck 12, every family set off fire-crackers but now it didn't happen.

8.  I had to get off and had a look.

9.  "what's the matter, girl?" just then came a voice, "can I help you ?" with m3,-] these words he got off his bick and came up to me."

10.  many things with instruction is in English, such us "made in ?-?-,turn on, turn off."