To keep healthy,Professor Johnson _______ cycling as a regular form of exercise after he retired.
她喜欢每件东西都各就各位。(place)She likes to have everything ___ ___.
你需要向地方当局申请一笔补助金。(apply)You need to ___ ___ the local authority ___ a grant.
如果生活在受污染的环境中,人们很容易生病。(fall)Living in a polluted environment, people may ___ ___ easily.
—What’s wrong with your left arm?—A bee has bitten it and it is ___.
You should behave yourself.It is ___ to have such manners on this occasion.