We were delayed at the airport.Otherwise,we    here by lunch.
#86444
A
must have been
B
could be
C
should be
D
would have been
推荐题目
What would have happened ______as far as the river bank ?
#87850
A
Bob had walked farther
B
if Bob should walk farther
C
had Bob walked farther
D
if Bob walked farther
—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
#88169
A
must be
B
should be
C
must have been
D
should have been