--Hi, Tracy, you look tired.--I am tired. I__________ the living-room all day.
#104804
A
painted
B
have been painting
C
had painted
D
have painted
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——What’s that noise?——Oh, I forgot to tell you. The new machine ______.
#103929
A
was tested
B
will be tested
C
is being tested
D
has been tested
All the preparations for the task ______, and we're ready to start. 
#104316
A
completed
B
complete
C
hadbeencompleted
D
havebeencompleted
Since then I _______ a member of the family and never _______from them.
#104313
A
have be come; will I separate
B
have be come; I will separate
C
have been; will be separated
D
have been; I was separated
The way of life he was used to _______ when he came to study in America. 
#101025
A
change
B
changed
C
changing
D
being changed