Scientists have to work hard to keep ________ with modern discoveries and developments..
| A．company | B．track | C．touch | D．pace |
The car was damaged_________repair in the accident.
| A．in | B．under | C．beyond | D．on |
I can’t find my socks. Where ________ I have dropped them?
| A．must | B．can | C．would | D．should |
It should be made known to the public _________ the money raised has gone.
| A．where | B．what | C．which | D．that |
Children are encouraged to _________some pocket money for Christmas gifts.
| A．put up | B．put aside | C．put in | D．put down |
If you _________ reading that book, take it back to the library.
| A．have finished | B．will finish | C．finished | D．are finishing |