The documentary Aerial China《航拍中国》is wonderful.So far，I ______ it three times.（ ）
A．watchedB．will watch
C．have watchedD．watch
﹣﹣﹣Where is Catherine？ I haven't seen her for days．
﹣﹣﹣She Wuhan． She'll be back next week．（ ）
| A． |
has gone to |
B． |
has been to |
| C． |
have gone to |
D． |
have been to |
一Alex，go and clean your bedroom.
一I ________________ it.It's tidy and clean now.
A．have cleanedB．cleaned
C．clean
-It is reported that the First Flight Ceremony of Heze Mudan Airport was held on April 2nd，2021.
-Yes.Great changes ___________ in my hometown since I left home.
| A． |
have taken place |
B． |
were taken place |
| C． |
took place |
D． |
|
﹣﹣﹣________ your homework？
﹣﹣﹣Not yet.I'll finish it in ten minutes.（ ）
| A． |
Did you finish |
B． |
Have you finished |
| C． |
Will you finish |
D． |
Do you finish |
-How do we turn on the oven？
-I you，weren't you listening？（ ）
| A． |
tell |
B． |
am telling |
C． |
will tell |
D． |
have told |
-What's the terrible noise？
-It's John.He the violin.（ ）
| A． |
practiced |
B． |
is practicing |
| C． |
was practicing |
D． |
has practiced |
﹣﹣﹣Why are you in such a hurry？
﹣﹣﹣Because the class ______ for 10 minutes.（ ）
| A． |
has been on |
B． |
has begun |
| C． |
is on |
D． |
begins |
It ________ 100 years since the Communist Party ________ .（ ）
| A． |
was；was founded |
B． |
has been；was founded |
| C． |
has been；founded |
D． |
was；founded |
The world （not face） such a big challenge since World War II.
—Mum，where is David？
—He ______ to see the science fiction film Back to the future.
A．is goingB．goesC．has goneD．was going
The documentary A Plastic Ocean is so impressive that I ___________it several times so far.
A．watchedB．watch
C．have watchedD．will watch
—Miss Zhang seems quite familiar with Yunnan Province.
—Don't you know？She ________ a town school there as a volunteer teacher for over 2 years.（ ）
A．is inB．has gone to
C．has been inD．has been to
I saw Julia in April and I ______ her since then.（ ）
A．don't seeB．didn't see
C．won't seeD．haven't seen
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