–_______________ does a CRH train run? –It runs up to more than 300 km an hour.
| A．How long | B．How far | C．How fast | D．How soon |
Our teacher told us in the class.
| A．don’t sleep | B．not to sleep | C．not sleep | D．not slept |
——Did you go to Jack’s birthday party?——No, I _________.
| A．am not invited | B．wasn’t invited | C．haven’t invited | D．didn’t invite |
——Must we finish the exercise today?——No, you________.
| A．mustn’t | B．don’t have | C．don’t have to | D．needn’t to |
Your pocket money can be used to _____ charity, you used to _______ a lot on snacks.
| A．supporting; spend | B．support; spending | C．support; spend | D．supporting; spending |
The disabled people feel grateful _______ you ________ your help.
| A．for; to | B．to; for | C．for; for | D．to; to |