1. This special course is aimed directly at children with __________ difficulties. (BEHAVE)
2. There is not much __________ for tall vehicles passing under the bridge. (CLEAR)
3. The machine sells very well for it removes most ________ n the water. (PURE)
3. impurities
1. This special course is aimed directly at children with behavioral difficulties. (BEHAVE)
2. There is not much clearance for tall vehicles passing under the bridge. (CLEAR)
3. The machine sells very well for it removes most ________ n the water. (PURE)
Mình không hiểu đề bài câu này lắm =)))