-----Tom. You look very bored and tired.-----Yes, I ______ my father on the farm until seven o’clock this morning.
#104828
A
have been helping
B
had helped
C
was helping
D
am helping
推荐题目
—The windows are dirty.—I know. They _________ for weeks.
#102514
A
haven’t cleaned
B
didn’t clean
C
weren’t cleaned
D
haven’t been cleaned
When I was in the countryside, I ____ by the riverside every day.
#101180
A
walked
B
was walking
C
walk
D
have walked