THE TEACHER ADVISED US __________________________.A. TO BE CAREFUL WHE...

câu 18: - DE KTCL HKI CO DAP AN
Tiếng Anh DE KTCL HKI CO DAP AN

Câu 18: The teacher advised us __________________________.

A. to be careful when doing these exercises

B. be careful when doing these exercises

C. careful when doing these exercises

D. are careful when doing these exercises