If the camera ________ start，press the “camera” key.
A.isn’t B.doesn’t C.don’t
Eight hundred and eighty-eight million, eight hundred and eighty-eight thousand, eight hundred and eighty-eight is _________.
| A．8,888,888 | B．88,888,888 |
| C．888,888,888 | D．8,888,888,888 |
The swimming pool is ________.
| A．50-metre long | B．50 metres long |
| C．long 50 metres | D．long 50-metre |
110,206 should be read __________.
| A．one hundred and ten thousand, two hundred and six |
| B．one hundred and ten thousands and two hundreds and six |
| C．one hundred and ten thousand and two hundred and six |
| D．one hundred, ten thousand, two hundred and six |
There is an air conditioner _______ the two windows in the room.
| A．in | B．at | C．on | D．between |
Mr. Brown has ________ children. And Mary is _______ one.
| A．less, more | B．more, more | C．more, much | D．much, more |