By the end of last week, she______in the west of China for two months helping the homeless children.
#36289
A
will stay
B
has stayed
C
would stay
D
had stayed
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I didn’t hear you, because I ________ yesterday’s football game.
#41544
A
watch
B
am watching
C
watched
D
was watching
He tells me not only his parents but also he ______America.
#37785
A
has been to
B
have been to
C
have gone to
D
has gone to
------- _______ you _______ the book ______ to the library yet. ------ Yes. I have.
#41873
A
Have ，returned，/
B
Have， returned， back
C
Did return ，/
D
Did， return，back