I won’t tell the student the answer to the math problem until he ______ on it for more than an hour.
#104700
A
has been working
B
will have worked
C
will have been working
D
had worked
推荐题目
All the preparations for the task ______, and we're ready to start.
#104316
A
completed
B
complete
C
hadbeencompleted
D
havebeencompleted
—I'm going away for the weekend. —But you _____you______ out to dinner with me.
#104319
A
say;willcome
B
say;came
C
said;wouldcome
D
havesaid;willmade
It is said that the old coins ______ under the earth for about 100years by the time they were discovered.
#102307
A
had buried
B
had been buried
C
buried
D
were buried
The result of the experiment was very good, ___________ we hadn’t expected.
#103395
A
as
B
that
C
which
D
what