Đề thi học kì 1 môn Anh lớp 12 tỉnh Hải Dương năm 2020
Question 3. They often plant some young trees in spring
A. Some young trees had been planted in spring
B. Some young trees were planted in spring
c. Some young trees are often planted in spring
D. Some young trees were being planted in spring
Theo TTHN