欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.

Teachers have to constantly update their knowledge in order to maintain their professional _____.

According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.

An increase in the price of medicine has ____ the rising cost of medical care.

In my opinion, it is the coach rather than the players that____.

If a student ____ in the exam, he won’t escape punishment.

I don’t know the meaning of the poem, because I have little ______with modern society.

The language training programme ______ teenagers who want to go abroad to study.

--- Your neighbors may ______ you with playing your radio too loudly at night.
--- I know. They never say anything that ______ me especially.

Most of these groups _______ teachers and graduate students, but some freshmen join as well.