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

We are discussing about a problem of great ______

A. important

B. importance

C. importantly

D. import

Đáp án
B. importance

Câu hỏi thuộc Bài tập:

MODULE 13: WORD FORMATION (Exercise 2)