(     )5.        Joan saw a big dog, she shouted.

A.what     B.when     C.while     D.why

(     )6.The telephone       while I       .

A.was ringing, cooked     B.rang, was cooking

C.was ringing, was cooking D.rang, cooked

(     )7.Now my apartment is small, but in a few years, we      in a bigger one.

A.live     B.lived     C.will live    D.was living