He is such _____! He is sure to ruin（毁坏）all the fun here if you invite him to the party.
| A．a wet blanket | B．a black sheep |
| C．a white elephant | D．a green finger |
The effect of the medicine on this kind of disease remains _____.
| A．seen | B．to be seen | C．seeing | D．to see |
I just can’t figure out the meaning of the word---so I’ll have to ___ the dictionary.
| A．look up | B．go over | C．check in | D．refer to |
His mother had thought it would be good for his character to _____from home and earn some money on his own.
| A．run away | B．take away | C．keep away | D．get away |
In the middle of the night, we ______signals for help from another ship.
| A．picked out | B．picked up | C．picked on | D．picked at |
---Will you lend me some money?
---Sorry, mine_____.
| A．has run out | B．were used up | C．has been run out | D．gave out |