If we _____ take environmental problems seriously，the earth _______ worse and worse．（ ）
A．don't； won't beB．won't； isn't
C．won't； isD．don't； will be
Yunnan is very beautiful． I ___ there last year．
Yes， I___ there twice．（ ）
| A． |
went； have gone |
B． |
went； have been |
| C． |
have gone； went |
D． |
have been； went |
Sally_______where she had left the car and the police found it this morning．（ ）
A．forgotB．has forgotten
C．forgetsD．had forgotten
Where did you go last winter vacation？
I _____ to London with my family．（ ）
| A． |
go |
B． |
have gone |
C． |
went |
D． |
was going |
My father _____________ me a funny joke and I can't stop laughing every time I think of it.
| A． |
told |
B． |
tells |
C． |
will tell |
D． |
is telling |
How was the volleyball game yesterday？
Oh， it was fantastic! We ______ so much fun．（ ）
| A． |
have |
B． |
had |
C． |
are having |
D． |
will have |
I ______ abroad for several years， but I have never regretted my final decision to move back to my motherland．（ ）
A．am livingB．livedC．have lived
Did you do anything interesting last Sunday？
Not really．I just _______ at home．（ ）
| A． |
stay |
B． |
stayed |
C． |
will stay |
D． |
am staying |
Have you read this book？
Yes， I______it two weeks ago．（ ）
| A． |
is reading |
B． |
have read |
C． |
will read |
D． |
read |
I've just returned from my trip to London．I many interesting places there．（ ）
| A． |
visit |
B． |
will visit |
| C． |
am visiting |
D． |
visited |
The program has helped out thousands of homeless children since the government ________it（ ）
| A． |
starts |
B． |
had started |
| C． |
will start |
D． |
started |
Last Sunday my brother and I our grandparents.（ ）
| A． |
will visit |
B． |
visits |
C． |
visit |
D． |
visited |
Sue wasn't happy because she ___________ the concert given by her favorite singer．（ ）
A．missesB．missedC．will missD．is missing
Did Billy and Anna find a way out at last？
Yes，they _____ a plan and did it．（ ）
A．were working outB．worked out
C．are working outD．have worked out
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