My sister has learnt English _________.
| A．for twelve years ago | B．since she was four |
| C．twelve years ago | D．at the age of four |
I don’t know when my son ________ back. When he_________ back, I’ll call you.
| A．comes, comes | B．will come, will come |
| C．comes, will come | D．will come, comes |
---Must I finish doing my homework now, Mum?
---No, you ________.
| A．can’t | B．may not | C．mustn’t | D．needn’t |
---_______ beautiful music it is!
| A．What | B．How | C．What a | D．How |
He’s hardly late for school, ?
| A．isn’t he | B．is he | C．has he | D．hasn’t he |
Some Math problems are difficult for the students work out.
| A．so, that | B．not, but | C．such, that | D．too, to |