REMEMBER TO FOLLOW ___________ ALL SIGNS AT THE SWIMMING POOL.A. ST...

9. - 500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH
500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH

9. Remember to follow ___________ all signs at the swimming pool.

A. strict B. strictly C. careful D. careless