While I _________ a novel, someone_________ at the door.
A.read; was knocking |
B.read; knocked |
C.was reading; knocked |
D.was reading; was knocking |
While I _________ a novel, someone_________ at the door.
A.read; was knocking |
B.read; knocked |
C.was reading; knocked |
D.was reading; was knocking |