13.About 90 percent of the equipment presented by the administration,as well as the facilities of our own, ______made good use of in teaching.
Don’t mention that at the beginning of the story, or it may ____ the shocking ending.
It suddenly to the detective that the millionaire was probably murdered by his own daughter.
—Does he know how to work out the problem ?—Yes , he has a good idea to solve it .
—What do you think of Andrew ?—There are some things that are not easy to , and his coldness is one .
The Browns sent lots of invitations for their party. But because of the improper time, few people _____ it.