4. I really ______ go back to work tomorrow, but I feel so bad that I have decided to stay in bed for a few more days.
A. ought to
B. can
C. will
D. may
5.She did not hear what you said because she ______ in her reading.
A. was absorbed
B. absorbed
C. is absorbed
D. has been absorbed
6.I voted for the proposal though ______
did.
A. anyone else
B. somebody else
C. someone else
D. nobody else
7.The enemy dropped hundreds of bombs over the city, ______ many deaths and great destruction.
A. cause
B. caused