Please try _________ late for school next time.

A. to not be B. not be C. not to be D. to be not

Great changes ________ in our city so far.

A. have been taken place B. have taken place

C. took place D. has taken place

You must be ________ of the dog.

A. care B. careful C. carefully D. careless

Take care! You may hurt ________.

A. you B. your C. yours D. yourself

She doesn’t like laughing. She is a ________ woman.

A. seriously B. serious C. luck D. smile

Many students didn’t realize the importance of study _______ they left school.

A. when B. until C. after D. unless

She refused ________ my questions.

A. to answer B. answer C. answers D. answering

Parents should ________ their children ________ smoking.

A. stop; for B. stop; from C. ask; to D. ask; from

Mr. White with his two kids __________ to the beach for vacation every year.

A. go B. goes C. went D. are going

It only _________ him 20 minutes _________ to his office every day.

A. takes; to drive B. cost; drive C. takes; drive D. spends; to drive