You’ll have an English exam tomorrow. You’d better ____ watch TV this evening.
A. to notB. not toC. don’tD. not
The streets here are not so ____ as those in our city.
A. clearB. cleanC. dirtierD. longer
Mr. Li makes me ____, because it is bad for my health.
A. don’t smokeB. not smokeC. not smokingD. not to smoke
Tom didn’t go hiking with his classmates ____ his illness.
A. becauseB. because ofC. asD. since
Let me just ____ this and then I’ll go swimming with you.
A. finishB. to finishC. finishingD. finished
Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.
A. as big asB. as older asC. as old asD. so old as
