YOU SHOULD BE VERY _______ TO YOUR TEACHER FOR THEIR HELP. A. GRATE...

3. - BAI KIEM TRA ON TAP TIENG 11 UNITS 14
BAI KIEM TRA ON TAP TIENG 11 UNITS 14
3. You should be very _______ to your teacher for their help. A. grateful B. thank C. thanking D. pleased