Failure can make a positive contribution to your life______you leam to use it．
| A．since | B．unless | C．until | D．once |
The purse found on the playground matches the ____ by Mary, so it must be hers.
| A．direction | B．expression | C．description | D．instruction |
—Why didn’t Sam attend the party yesterday evening?
—He ___ not have wanted to see me.
| A．should | B．might | C．could | D．would |
In Haikou, ______ car is getting to be _____ popular means of transportation.
| A．the; a | B．a; 不填 | C．the; the | D．a; the |
It is none of your business other people think about you. Believe yourself.
| A．which | B．what | C．how | D．when |
There is nothing more I can try you to stay, so I wish you good luck.
| A．persuading | B．to be persuaded | C．to persuade | D．persuading |