Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Câu hỏi

The development of basic skills like how to cross the street, or what to do when you get lost, must be carefully taught at primary school.

Đáp án
B. necessary

Câu hỏi thuộc Bài tập:

E9- TĐ- Đề ôn số 5