What he said,_____, has nothing to do with what he did.
Our teacher is very busyHe is ________ in working out a teaching plan
Our hearts sank at the news that a pipeline(输油管) ______in Qindao and 62 people couldn’t survive the disaster
It is ______ to spend money in preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill.
My uncle ________ some computer knowledge while he was on business in London. [ ]