Find and correct the mistake in the following sentences.

Câu hỏi

It was with much difficulty who she solved the challenging math problem.

A. was

B. much

C. who

D. challenging

Đáp án
C. who

Câu hỏi thuộc Bài tập:

UNIT 8: BECOMING INDEPENDENT - GRAMMAR - Tiếng Anh 11 Global Success