It is said that bad living habits as well as dirty surroundings, stuffy rooms and some other factors ________ the wide spread of H1N1.
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It is _____ great pleasure for me to come to ______ College of Europe and meet with faculty members and students.
| A．the；the | B．a；the | C．a；不填 | D．the；a |
— Do you know _______ they got to know each other?
— It was last year_______ they both taught Chinese in Canada.
| A．When it was that, when | B．when it was that, while |
| C．When it was that, that | D．When it was that, as |
the players didn’t have a good rest shouldn’t be all excuse for losing the game．
| A．That | B．What | C．Why | D．Whether |
According to the latest investigation，most mistakes be prevented if students are careful enough．
| A．must | B．can | C．have to | D．need |
According to Xi, common values held by Chinese people of all ethnic groups are ________ for the country's future and its people's well-being.
| A．affectionate | B．responsible | C．reliable | D．essential |