As it turned out to be a small house party, we __________ so formally.
#87235
A
needn’t dress up
B
shouldn’t dress up
C
were not necessary to dress up
D
needn’t have dressed up
推荐题目
Eliza remembers everything exactly as if it _________ yesterday. 
#90453
A
was happening
B
happens
C
has happened
D
happened
I got up early that morning, but I _____ so because I had no work to do.
#90133
A
mustn’t have done
B
didn’t need to do
C
needn’t have done
D
can’t have done
The boy student is poor in health now; his parents wish that his health _____when he grows up
#88103
A
can improve
B
could improve
C
can be improved
D
could be improving
He is an hour late by now.He         last night.
#87971
A
must stay up
B
should stay up
C
must have stayed up
D
should have stayed up