My mother___________ for 3 days in Shanghai.
#54759
A
left
B
leave
C
was away
D
has been away
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 This kind of milk     well this year.  It________ out soon.
#56189
A
sells; will be sold
B
sells ; is sold
C
is sold; will be sold
D
is sold; sells
It's not polite to _______ others.
#59492
A
speak to
B
help
C
laugh at
D
talk to
We still don’t know what _________ while we were away from home.
#53337
A
had happened
B
was happened
C
has happened
D
happened