Barack Obama, African America, was elected as 56th President of the United states.
| A．/，the | B．/， / | C．an ， the | D．an ， / |
After I arrived at her house, she showed me into ____________.
| A．a room cosy or little | B．a little cosy room | C．a cosy little room | D．cosy little a room |
The workers are so _____ to the noise of the machine that they don’t even notice it during their work.
| A．accustomed | B．subjective | C．familiar | D．associated |
It is not for me to return all the books to the library now because I still need them.
| A．mature | B．convenient | C．available | D．tight |
I think Zheng Jie is _______ a rising tennis star. She has put China on the tennis map.
| A．especially | B．formally | C．definitely | D．gradually |
—Why couldn’t they meet us at five o’clock?
—Because they were delayed by _________.
| A．heavy traffic | B．heavy traffics | C．crowded traffic | D．crowded traffics |