Trắc nghiệm Từ vựng Unit 3 Tiếng Anh 11 có đáp án

Social media ________ is one of the social issues that many people are concerned about.

The local authority should _________ more money in improving the quality of their local products so that they can be exported to other countries.

Some parents are worried about their children's _________ when they go online too much but rarely communicate with their parents face-to-face.

The ________ rate of this city if getting higher, so the habitants are feeling worried.

Choose A, B, C or D to show the underlined part that needs correct tion.

Cheap public transportation was highly encourage to use ten years ago, and air pollution has been reduced since then.