I don’t understant this word, Please _______ in the dictionary

看图写话根据所给的图和提示词，按要求各写一句意思完整，语法正确的句子(必须用上全部提示词)。(10分)

1. the gas, terrible

___________________________________________       

2.the number, pandas ,smaller and smaller

___________________________________________

 3. be a teacher, for three years

________________________________________________

4. in th past , keep in touch with, by letter

________________________________________________

5.Look, skate

_________________________________________________

If you don’t know how to spell the new word, please ________ in the dictionary.

A．look at            B．look them up       C．look up it          D．look it up

--Could you please _____ in the room?

     --Oh, I’m sorry.

      A. not smoking  B. not smoke      C. not to smoke   D. don’t smoke

Look at the new words. Please ______ in your notebook.

       A. write it down          B. write them down     C. write down it