(    ) 1. The child isn’t old enough to      himself.

A. wear       B. put on    C. have on    D. dress

(    ) 2. He is a lazy person. He has been      for a long time since he was fired last time.

A. worked out  B. worked up  C. out of work   D. worked with

(    ) 3. The necklace that I had shown to my friends       . It made me very sad.

A. was lost   B. gets lost    C. were missing    D. was missed

(    ) 4. Could you tell me ___ the bike without any help this morning?

      A. how does he mend        B. how he mends  

C. how he mended          D. how did he mend

(    ) 5. I don't understand ______ believe him.

      A. why don't you   B. why you not   C. why you don't   D. why not