—What’s the noise outside?—Some children_____ hide-and-seek in the yard. 
#101214
A
were playing
B
are playing
C
have played
D
played
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Hi, Bill. I _____ you _____ in this city. How long have been here?
#103680
A
didn’t know; were
B
don’t kow; are
C
haven’t known; are
D
don’t know; were
The film _______ for twenty minutes when they got to the cinema. 
#103330
A
had already been on
B
has already been on
C
had already begun
D
has already begun