Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

Câu hỏi số 1:

The price of crude oil used to be a  great deal lower than now, wasn't it?

Câu hỏi số 2:

We had planned to go to the movies  but because of the amount of work I had I spent the evening to study .

Câu hỏi số 3:

An able flier, a crow, may travel thirty or forty miles  the day before it   returns home. 

Câu hỏi số 4:

Because of   differences between the crops grown and a greater abundance of rivers, farmers in the South need little rain than their counterparts in the North.

Câu hỏi số 5:

Mrs. Anderson bought last week a new sports car; however, she has yet to learn how to operate the manual gearshift.