BOB WALKED STRAIGHT INTO THE WALL. HE _______ WHERE HE WAS GOING.A. C...

42: - DE THI THU DH VA DAP AN LAN 2
Tiếng Anh DE THI THU DH VA DAP AN LAN 2
42: Bob walked straight into the wall. He _______ where he was going.A. couldn’t be looking B. mustn’t have been lookingC. mustn’t be looked D. couldn’t have been looking