题目内容
5. Smokers are well of the dangers to their own health,but they simply find it hard to give up.
A. sure B. certain
C. known D. aware
5. D be well aware of...意为"对....... 充分了解/认识";be sure of...意为"对……有把握"。
练习册系列答案
相关题目
题目内容
5. Smokers are well of the dangers to their own health,but they simply find it hard to give up.
A. sure B. certain
C. known D. aware
5. D be well aware of...意为"对....... 充分了解/认识";be sure of...意为"对……有把握"。