Đề thi giữa kì 1 Tiếng Anh 11 Thí điểm (có đáp án - Đề 3)

When __ at this store, the buyers get a guarantee on all items

28/40

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

When___________at this store, the buyers get a guarantee on all items

purchased

purchase

purchasing

having purchased

Giải thích

Đáp án C