THE MOST DIFFICULT TASK IS TO PROTECT THE DAM AGAINST _________ AND...

Tiếng Anh ĐỀ THI ĐỀ NGHỊ KÌ THI OLYMPIC Năm học 2010 – 2011

Nội dung
Đáp án tham khảo

8. The most difficult task is to protect the dam against _________ and earthquake.

A. fire B. water C. sunlight D. weather