It is well known that knowledge is________treasure house,but practice is________key to it.
As she became an artist,she ________ realize that all artists were a product of their culture.
What will ________ the children if their parents are out of work?
.—We haven’t heard from Jane for a long time? —What do you suppose ________ her?
Some of the students have already learned enough English to ________ a conversation with a native speaker.
Throughout the week,the boy ________ most of the work in the manager’s office.