—Peter, what’s your mother doing now?—She____________in the kitchen.
#42371
A
cooks
B
is cooking
C
will cook
D
cooked
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 —Do John and Betty have a child? —Yes. They _______ for twenty years.
#42622
A
married
B
have married
C
have got married
D
have been married
 The students       the Art Festival when I passed by their school.
#41616
A
celebrate
B
were celebrating
C
will celebrate
D
have celebrated