11_____ you tired ? Yes , I _____.

A.      Do ; do  B.  Did ; do   C. Are ; am

12. It’s easy ______. We shouldn’t _____.

A.        to have a flu ; to be careful B. have a cold ; be careless C. to get a cold ; be careless

13.She ‘s ____.

A.      real stressed out    B. really stressed out   C. really stress out

14. A _____ diet is very important ___ us .

A.      balance ; for B.  balanced ; to  C. balancing ; of

15.--_______? ---I feel terrible.

A.      What’s the matter    B.  What matter  C.  What’s the wrong