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203. If you don’t know the word, why don’t you       in the dictionary.

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

203. If you don’t know the word, why don’t you      in the dictionary.

If you don’t know the new word, why don’t you________in the dictionary?

A. look at it　 　B. look after it

C. look up it 　 D. look it up

3. Why not look up the new word in a dictionary _____ you don’t know it ?

A. if   B. that   C. though    D. whether 

Why not look up the new word in a dictionary _____ you don’t know it ?

A. if   B. that   C. though    D. whether