Ex2. 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

After they had built the greenhouse, they _____ various herbs and vegetables.

A. planted

B. plant

C. have planted

D. had planted

Đáp án
A. planted

Câu hỏi thuộc Bài tập:

ENGLISH 9- 26/12/2025