Have you finished your report yet —No, I’llfinish it in _______ ten minutes.

Unfortunately, the aboriginal(土著) people tried in vain to win independence ______ the ruling tribe, and prejudice ______ them still continued.[ ]

Man must keep in mind that it will be years ________ the earth recovers from the damage he makes to it.[ ]

Wow, useful and fashionable iphone 6s you have bought!—Yes, it is ____ great help to me, ____ I must say it also cost me a lot.

You will find the post office ________the road．