—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
The price of the sweaters____ $20.
#42649
A
is
B
are
C
have
D
has
Hello! I'm very glad to see you. When_________ you_________ here?
#42301
A
did; arrive
B
will; arrive
C
have; arrived
D
are; arriving
A student _________ from a tree and __________ his right leg.
#41975
A
fell; hurted
B
fell; hurt
C
falled; hurt
D
falled; hurted
This pair of shoes ________ hand, and it _______ very comfortable .
#39071
A
is made with; is felt
B
are made from; is felt
C
are made of; feels
D
is made by; feels