Scientists have to work hard to keep ________ with modern discoveries and developments.
| A．company | B．track | C．pace | D．touch |
—Don’t you know our town at all?
—No, this _______the first time I___________ here.
| A．was, has come | B．is, come |
| C．is, had come | D．is, have come |
Please _____________the numbers and I’m sure they will_______1000.
| A．add, add up | B．add up, add up |
| C．add up, add up to | D．add to, add up |
The little boy came riding at full speed down the motorway on his bicycle. _____________it was!
| A．What a dangerous scene | B．What dangerous a scene |
| C．How a dangerous scene | D．How dangerous the scene |
—Would you mind if I sit here?
— _________ it is for Mr. Brown.
| A．Not at all | B．Never mind |
| C．Better not | D．Of course not |
The foreign friends you referred to _________looking forward to ________around our city.
| A．are, being shown | B．being, being shown |
| C．being, showing | D．are, be shown |