They saw the math teacher ______ the classroom just now.
| A．enter | B．to enter | C．to leave | D．arrive |
We will celebrate the 90th birthday of the Chinese Communist Party ____June 29th, 2011 in Qinzhou.
| A．on | B．at | C．in | D．during |
The foreignersEngland, but they speak Chinese very well.
| A．come in | B．come out | C．come from | D．come back |
The workersa new bridge now. The traffic in our city will be better soon.
| A．build | B．built | C．are building | D．were building |
His MP5 is very useful,?
| A．isn’t it | B．is it | C．does it | D．doesn’t it |
Our country the sixth population census(人口普查)already.
| A．finished | B．has finished | C．will finish | D．finishes |