—Sam, come downstairs, please. I need your help.—Sorry，mum. I on the phone..
#41572
A
am talking
B
talked
C
was talking
D
have talked
推荐题目
Mary,along with her parents ______Hainan for a week and they will come back soon.
#37637
A
have been to
B
has been in
C
have been in
D
has been to
Some social workers _____ after the people in need while others ____ out food to the local people.
#39984
A
looked, gave
B
were looking, gave
C
were looking, were giving
D
looked, were giving
We _______ many roses in the garden since last year.
#38295
A
plant
B
planted
C
have planted
D
are planting