Question 166: Air pollution poses a                            to both human health and our environment.

A. jeopardy                       B. threat                            C. difficulty                      D. problem

Question 167: The Pyeongchang 2018 Winter Olympics is getting                            and it marks the first time that South Korea has hosted the Winter Olympics.

A. grounded                      B. underway                     C. bearings                        D. comeuppance

210 CÂU TỪ VỰNG TỪ ĐỀ CÔ DƯƠNG THỊ HƯƠNG