Câu hỏi: Mrs. Alien was concerned about me having to drive so far every day.

A. about

B. me having

C. so far

D. every day

Câu 1: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other

Câu 2: My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

A. doesn’t care

B. does the washing machine cost

C. because

D. going to buy

Câu 3: Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

A. sex’s education

B. understand

C. to eliminate anxieties

D. related

Câu 4: Mai and Lan have a row because they have misunderstood one another.

A. have

B. because

C. misunderstood

D. one another

Câu 5: We have been making prepare for our final exammination for two months.

A. have been making

B. prepare

C. for

D. months

Câu 6: Reading several books on that subject, Bill considered himself an expert.

A. Reading

B. books on

C. considered himself

D. expert