Chọn đáp án đúng nhất
7. The ......... are doing the exercise right now.
A. student B. wifes C. mans D. students
8. Where did you put the ........... ?
A. knives B. knifes C. a knife D. two knife
9. ............. are expensive.
A. Pianoes B.Piano C. Pianos D. The piano
10. Some .................. came to arrest him
A. policeman B. policesman C. policemen D. policemans
giải thích giúp mik nữa nha
A. student B. wifes C. mans D. students
8. Where did you put the ........... ?
A. knives B. knifes C. a knife D. two knife
9. ............. are expensive.
A. Pianoes B.Piano C. Pianos D. The piano
10. Some .................. came to arrest him
A. policeman B. policesman C. policemen D. policemans
giải thích giúp mik nữa nha