He ______ busy yesterday, or he ______ you with your experiment.
#101281
A
was; had helped
B
was, would have helped
C
had been; would have
D
were; would have helped
推荐题目
—Why weren’t you at the meeting? —I____ for a long distance call from my sister in America.
#99328
A
was waited
B
was waiting
C
has waited
D
have been waiting
  I don’t know if he ____ us; if he ____, I’ll let you know.
#103662
A
will come and help; comes
B
comes and helps; will come
C
will come and help; will come
D
comes and helps; comes
— How long _________ in singapore?— For just the weekend. I’ll be back next Monday morning.
#101765
A
have you stayed
B
are you staying
C
did you stay
D
do you stay