—What were you doing at this time yesterday? —I ______ on the grass and playing with Tony. 
#38003
A
sit
B
sat
C
am sitting
D
was sitting
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Mr. Fan ___ this watch in 2005. he ____ it for 6 years. 
#42094
A
bought, has had
B
bought, has
C
has bought, has had
D
has bought, had
---Is Jim in the office? ---No, he _______ to the dining hall. 
#39371
A
goes
B
would go
C
has gone
D
had gone
Look! Many people __________the buses at the bus stop. 
#39314
A
wait for
B
waited for
C
will wait for
D
are waiting for