—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
推荐题目
----______ you ever ________ Tom before ?---- No, I _____ him just two minutes ago.
#39934
A
Did, know ; met
B
Have, known ; have met
C
Have, known; met
D
Did, know; had met
 —How often ______ your school sports meeting ______?— Once a year.
#39412
A
does; hold
B
was; hold
C
is; held
D
did; hold
 The earthquake ______ when I _______some cleaning.
#39979
A
starts, was doing
B
started, was doing
C
was starting, was doing
D
starts, were doing