I haven’t finished my homework yet. I my mother with the housework all day yesterday.
#101725
A
helped
B
have helped
C
was helping
D
have been helping
推荐题目
--- Tommy is planning to buy a car. --- I know. By next month, he enough for a used one.
#102435
A
saves
B
saved
C
will save
D
will have saved
—May I speak to your manager at 4：00 this afternoon? —Sorry, sir. He ________ to a meeting soon.
#99378
A
would go
B
has gone
C
will have gone
D
is going
During next June and August he _________ in the field with his parents.
#103879
A
was working
B
will be working
C
will work
D
has worked
It is expected that in the near future, more advances in the Internet technology________by German scientists.
#99684
A
are making
B
are made
C
will make
D
will be made
The London 2012 Olympic Games marks the third time that London ________ the right to host the modern Olympics.
#99727
A
had had
B
has
C
had
D
has had