WHEN THE CHILDREN __________HOME, IT WAS OBVIOUS THAT THEY HAD BEEN...

8. - TRAC NGHIEM PHAN THI TRONG TIENG ANH TONG HOP WITH KEYS TRAC NGHIEM TENSES TONG HOP
TRAC NGHIEM PHAN THI TRONG TIENG ANH TONG HOP WITH KEYS TRAC NGHIEM TENSES TONG HOP
8. When the children __________home, it was obvious that they had been playing in mud. A. Arrived B. were arriving C. had arrived D. had been arriving