THERE’S SOMEBODY WALKING BEHIND US. I THINK ... . A. WE ARE FOLLOWI...

9. - BAI TAP TIENG ANH CHUYEN DE CAU BI DONG CO DAP AN
BAI TAP TIENG ANH CHUYEN DE CAU BI DONG CO DAP AN
9. There’s somebody walking behind us. I think ... . A. we are following B. we are being followed C. we are followed D. we are being following