Think about the word and use it, in your mind, in a sentence.
想想这个字,然后去用它,在脑子里,在句子里。
There are many training classed and night classes.
有许多培训班与夜校。
This exhibition received a great deal of attention in the press, for though the pictures were supposed to be the work of famous artists, they had in fact been painted by Dickie.