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
Linda ，make sure the tables ____ before the guests arrive.
#102830
A
be set
B
set
C
are set
D
are setting
If we _________ now to protect the environment, we’ll live to regret it.
#100580
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
When the plane arrived, some of the detectives were waiting inside the main building ________others were waiting on the airfield.
#104688
A
during
B
where
C
which
D
while
The construction of the two new railway lines ________ by now.
#103148
A
have been completed
B
has been completed
C
has completed
D
have completed
The corn powder with two other things _______ water to make all kinds of good.
#103654
A
are mixed with
B
is mixed with
C
are mixed by
D
is mixed by