问题详情：
![-----Itrytomemorizenewwordseveryday,butonlyrememberfewo...]( "-----Itrytomemorizenewwordseveryday,butonlyrememberfewo...")
----- I try to memorize new words every day, but only remember few of them.
----- That’s not surprising. Newly-learnt words are easily forgotten unless frequently _____ in communication.
A. used B. using C. to use D. be used
【回答】
A
知识点：动词
题型：选择题
