— Who’s the girl ___________ a white dress?— She is my sister.A.on B.in C.at
------_________useful advice he gave me! _________kind he is!
------I didn’t go to the party _________my homework last night.------Oh! ___________
The police warned the children __________football in the street.
__________does it cost to go from Shanghai to Beijing?
They spent _________time ___________ the computer games.