Choose the underlined part that must be corrected

After I had returned home from the school, I was preparing dinner.

A. George has passed his exam.

B. George has trouble in passing his exams.

C. George is studying hard to pass his exam.

D. George will not pass his exam because he is not studying.

A. pass

B. the day before

C.congratulated

D. on

A. with

B. for

C. of

D. to

A. had walking

B. was walking

C. walked

D. is walking

A. Having learnt

B. To have learnt

C. To learn

D. Learning

A. Would you like the English competition?

B. What do you think of the English competition?

C. What do you like about the English competition?

D. How about the English competition ?