Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

A hi-tech robot will help us _____________ our children while we are not at home.

A. look out

B. look at

C. look after

D. look up

Đáp án
C. look after

Câu hỏi thuộc Bài tập:

E6- GS- Unit 10: Test for unit