Is this the reason __________ at the meeting for his carelessness in his work?[ ]
The price of the bike depends _______ its quality(质量) .[ ]
Excuse me, is this _________ new camera?—Yes, it’s ________.
Tom usually _________ a bike to school. Look, he _______ to school now.
We will remember what happened _______the afternoon of may 12,2008.