The possibility____ pleasant smells might reduce pain has recently been suggested by new research.

Diaoyu Island belongs to China.—Surely it does! We Chinese will neverit up.

The driver should drive ____________ /’ sluli /when the traffic is heavy.

24．When Tom was very young ,he was ______ skateboarding, ______worried his parents a lot

She might complain about you to your manager.—— _______ I know I am in the right.