问题
选择题
As is known to all language learners, the newly learnt words will soon be forgotten unless they are _______ used in everyday communication.
A．gradually
B．sincerely
C．hopefully
D．frequently
答案
答案：D
本题的含义是所有的语言学习者都知道，如果我们在日常的交流中，不能频繁地使用所学的新单词，那么它们会被很容易忘记。frequently表示频繁地意思，故本题选D。