You will never know the result ______ you try it by yourself.
| A．when | B．if | C．unless | D．after |
If I _____ you ,I _____ them the story.
| A．was , tell | B．were , will tell | C．were ,would tell | D．am. would tell |
Everyone knows that Taiwan belongs _____ China.
| A． for | B．to | C．with | D．about |
--Would you mind my ______ the window?” --“ ______. But don’t do it now.”
| A．to close; Sure | B．closing; Good idea |
| C．closing; Better not | D．closing; Of course not |
Don’t worry. All the children will_____ arrive at school on time tomorrow.
| A．are able to | B．can | C．be able to | D．can be able to |
The sentence structure of “They painted the walls white” is _____________.
| A．S+V+P | B．S+V+DO+OC | C．S+V+IO+DO | D．S+V+DO |