When you see your teacher approaching you, a slight wave to attract his attention is appropriate.

When you see your teacher approaching you, a slight wave to attract his attention is appropriate.

A. coming nearer to

B. pointing at

C. looking up to

D. catching sight of
Xem đáp án
A là đáp án đúng
Lời giải:
approach = come nearer (tiếp cận)