WHEN THE CHILDREN LEFT THE CAMPSITE, THE GROUND ______ WITH A LOT OF...

Lớp 10 Tiếng Anh Đề ôn thi vào lớp 10 môn tiếng Anh năm học 2018 - 2019 (Đề luyện 16)

7.When the children left the campsite, the ground ______ with a lot of rubbish.A. covered B. was covering C. was covered D. was cover