--Has Tommy finished his project yet?
--Maybe not. He ___on it at lunch time. Let's go to have a look now.
A.has worked | B.is working |
C.was working | D.had worked |
--Has Tommy finished his project yet?
--Maybe not. He ___on it at lunch time. Let's go to have a look now.
A.has worked | B.is working |
C.was working | D.had worked |