—Why didn’t you go to yesterday’s meeting? —I would have but I ______too busy working on the important experiment.
#104533
A
had been
B
was
C
were
D
am
推荐题目
 Hurry up! The train _____. You know it______ at 8:30 am.
#100211
A
leaves; leaves
B
is leaving; leaves
C
leaves; is leaving
D
is leaving; is leaving
 Look out! Don’t get close to the building. It _________.
#99785
A
was rebuilt
B
has been rebuilt
C
is being rebuilt
D
had been rebuilt
 ——Guess what!I met an old school friend last week.­——How nice!How long____ each other?
#100091
A
didn't you see
B
haven't you seen
C
hadn't you seen
D
don't you see