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

Câu hỏi

He's always worrying ___________ his weight.

A. about

B. for

C. with

D. of

Đáp án
A. about

Câu hỏi thuộc Bài tập:

E11- Unit 2- Test for Unit