Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Câu hỏi

He got good marks in his exams because he spent almost all his time _______ his lessons.

A. revise

B. revising

C. to revise

D. to be revised

Đáp án
B. revising

Câu hỏi thuộc Bài tập:

E11- GS- Unit 4- Practice 6