Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

They don't forget __________ a short vacation in Cuc Phuong National Park last year.

A. to spend

B. having spent

C. being spent

D. having been spent

Đáp án
B. having spent

Câu hỏi thuộc Bài tập:

E11- GK 2- Ôn tập đề cương (1)