If you are ____ trouble, please call me ____ 72335611.
A. in; in B. at; at C. at; in D. in; at
When the teacher asks him, he always ____.
A. keep silent B. keep silently
C. keeps silent D. keeps silenty
Mr. Li makes me ____, because it is bad for my health.
A. don’t smoke B. not smoke
C. not smoking D. not to smoke
Tom didn’t go hiking with his classmates ____ his illness.
A. because B. because of C. as D. since
Your mother prepared delicious food for us yesterday. Please say thanks ____ her.
A. for B. to C. with D. of
Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.
A. as big as B. as older as
C. as old as D. so old as
