By the end of 2011, all of China’s public art galleries(画廊)________free to enter.
#42025
A
have been
B
had been
C
will be
D
would be
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I _____________ his letter for a week.
#41810
A
heard from
B
have received
C
have had
D
have got
Bob ________to Harbin for a meeting yesterday.
#40396
A
will go
B
goes
C
has gone
D
went
 -All of us _______ sometimes. -You had better have a good rest when you are free. 
#40103
A
gets tired
B
get tired
C
getting tired
D
is tired