Question 74: I get quite depressed when I think about the damage we are                to the environment.

A. having                    B. taking                                              C. making                               D. causing

Question 75: Beavers have been known to use logs, branches, rocks, and mud to build darns that are more than a thousand                .

A. lengthy feet                   B. feet long                             C. long feet                    D. foot in length

128 CÂU TỪ VỰNG TỪ ĐỀ CÔ TRANG ANH TẬP 1