— Are these your keys?     — __________.
#17299
A
Yes, these are
B
No, these isn’t
C
Yes, they are
D
No, they isn’t
推荐题目
—What’s the woman in a white hat?—____________. 
#17209
A
She is my teacher
B
She is a cook
C
She is thirty
D
She is a girl
_________is the Chinese tradional holiday.
#17255
A
Father’s Day
B
Teachers’ Day
C
Christmas
D
the Mid-autumn
______ is one of the greatest scientists, who won the Nobel Prize for physics.
#17253
A
Yuan Longping
B
Bisheng
C
Yang Zhenning
D
Zheng He