A number of birdwatchers ______in Zhalong Nature Reserve. The number of them____500.
| A．are, are | B．is, is | C．is, are | D．are, is |
—Visitors need to know all the travel routes to Paris, ______?
—Sure. But The trip has not arranged.
| A．do they | B．need they | C．don't they | D．needn't they |
_____of the money will go to the Red Cross to help those who need help.
| A．Many | B．Much | C．A little | D．A few |
You’d better try different ways you can think of maths problems. It’s good for you to learn maths well.
| A．work out | B．to work out | C．working out | D．is working out |
Can you make sure ________ he will come here today, Linda?
| A．that | B．which | C．whether | D．what |
—What should we do to prevent H7N9 bird flu?
—We must from crowded places.
| A．come out | B．pass away | C．put out | D．keep away |