Chọn phương án đúng

Câu hỏi

I'm sorry you've decided not to go with us on the river trip, but ______ you change your mind, there will still be enough room on the boat for you.

Đáp án
C. in the event that

Câu hỏi thuộc Bài tập:

MODULE 21: CONJUNCTIONS (Exercise 1)