() 92. Ada is student in our class. She often helps us with our schoolwork.

   A. popular   B. more popular

   C. the most popular

() 91. Boys and girls,please listen to me . I have something important to tell you.

   A. carefully   B. careful

   C. carelessly

() 90. —Sally,may I use your iPad? is broken.

—OK,here you are.

   A. My   B. Yours

   C. Mine

() 89. The two girls how to dance one month ago and now they can dance well.

   A. taught   B. have taught

   C. were taught

() 88. —I think I'll wear sneakers to the party.

——That's not a good idea. If you do. they you in. 

   A. don't let   B. won’t let

   C. doesn’t let

() 87. silent,please. The baby is sleeping. 

   A. Keep   B. Kept

   C. To keep

() 86. ——Dad,smoking is bad for your health.

—You’re right. I've decided to . 

   A. take it down   B. find it out 

   C. give it up

() 85. —How long have you the new dictionary?

—For two days.

   A. bought   B. had

   C. borrowed 

() 84. —Is that boy under the tree Li Hua? ;

—No,it be Li Hua. She is in i Tianjin now.

   A. can't   B. mustn't

   C. needn’t 

() 83. —Whafs movie theater in your city?

—Center Cinema. It has the most comfortatile seats. 

   A. worse   B. better 

   C. the best