— Did you happen to see _______ black and _______ white cat?
— Are they missing? I told you to take care of them.
| A．a; 不填 | B．the; 不填 | C．the; the | D．a; the |
_______difficulties we may come across, we will help one another to overcome them
| A．Whatever | B．However |
| C．Whenever | D．Wherever |
Even if you are a top student, you sometimes _______ make some mistakes.
| A．can | B．must | C．should | D．need |
--- Shall I give you a ride as you live so far away?
---- Thank you. ______.
| A．It couldn’t be better |
| B．Of course you can |
| C．If you like |
| D．It’s up to you |
Their use was limited by laws, the first of which ______ the 14th century.
| A．dates back to | B．dated fro |
| C．dates back | D．dating back to |
_____ I see someone wearing a mask, I think of my holiday in Venice.
| A．Even if | B．Until |
| C．Whenever | D．Although |