David comes from______ America and he is ______honest boy.

If he does you a favour, you should do him a favour. —- I can’t agree more. ____.

The new castle being built for fun will be _____ the present one。

You don’t want to visit any other mountain if you have seen wu yue, but you won’t wish to see even wu yue_____________ returning from Mount Huangshan.[ ]

Don’t copy others’ work. If you do it by ________, you’ll feel much better.