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 ran into Lisa in London, she was buying souvenirs for us!

A. While

B. During

C. When

D. If

Đáp án
C. When

Câu hỏi thuộc Bài tập:

E10- I-learn- Unit 9 (2)