The remarkable shift ________ young people's job preference in recent years has analysts and educators greatly concerned.
They are still very cautious about ______ side effect the new medicine will bring about, although the experts have tried it on about 2,000 patients.
In the job interviews, job applicants often find themselves ________ unexpected questions, some very difficult to answer.
----Why is he feeling down today? ----Because the suggestion he _______ has been turned down.
________ cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.
Though Tom knew nothing about business, he succeeded ________ other more well-informed managers failed.