When I came home, my father _____ an e-mail on the computer. 
#40545
A
writes
B
wrote
C
is writing
D
was writing
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Fish ________ without (没有)water .
#42450
A
dies
B
is dying
C
won’t die
D
will die
Tom      Kate since two years ago, and they have had a child.
#37444
A
got married with
B
married to
C
has been married to
D
married
The meeting _________ by the time I got there yesterday.
#40511
A
was on
B
has been on
C
had begun
D
has begun