As a famous public figure, you have a duty to _______ yourself, especially in public places.
| A．focus | B．behave | C．guide | D．Operate |
It shocked us all________that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
| A．if that | B．that if | C．if | D．that |
To tell________truth, his coming is really_________big surprise to most people present at the party.
| A．/ ; a | B．the ; / | C．the ; a | D．/ ; / |
_____ holiday, my family will go to Shanghai to visit the World Expo.
| A．To talk of | B．Talk of | C．Talking of | D．Talked o |
Everyone in our school is working hard and doing what we can _____ a good college.
| A．enter | B．to enter | C．entering | D．entered |
If _____, please buy me a backpack while you are at the supermarket.
| A．you are convenient | B．it is convenient to you |
| C．it is convenient with you | D．I am convenient to you |