you want to remember its usage you’d better make a sentence with the new word. A. Unless

问题补充：

you want to remember its usage, you’d better make a sentence with the new word.

A. Unless

B. While

C. Now that

D. Even if

答案：

A. Unless

B. While

(答案→)C. Now that

D. Even if

解析：题意为：既然你想记住这个生词的用法，你就最好用它造个句子。now that既然；unless除非；while当……时候；even if即使。故本题选C。