They sat face to face, _____ about the things they were interested in for a long time. [ ]

The Frenchman pointed to the spoon and asked me ________ to call that in Chinese.

orean government plans to import Chinesecabbage from China, as the recent rainstorm has______ the price.

Chengdu has focused on improving the surrounding countryside, ________ encouraging large­scale city expansion.

When you are going upstairs, please_____ your head.