问题

Mum, Mary bought a pet dog yesterday. Could you please buy __________ for me? — Sure. But you must look after it yourself.
A:that
B:this
C:it
D:one
B:this
C:it
D:one
正确答案是:
同类题型
She looks ________because she has a _______vacation.
We have to visit our grandparents this winter vacation because we miss each other very much.
What time do you expect me back, Mum?— Say, _____ half an hour. [ ]
What your English teacher like?—He is tall and strong.
We were greatly ______ by the program performed by Xiao Shengyang on CCTV.