—Turn off the TV,Jack._______ your homework now?—Mum,just ten more minutes,please.
#89090
A
Should you be doing
B
Shouldn’t you be doing
C
Couldn’t you be doing
D
Will you be doing
推荐题目
Nobody knows how people first came to these islands. They _____ from South America on rafts.
#87576
A
ust have sailed 
B
an sail 
C
ight have sailed
D
hould have sailed
I wish I____ my uncle yesterday.
#87962
A
met
B
have met
C
would met
D
had met
I enjoyed the movie very much. I wish I ______ the book from which it was made.
#88339
A
have read
B
had read
C
should have read
D
am reading