Please be careful your study now on.A. to fromB. with andC. to andD. with from

问题补充：

Please be careful your study now on.

A. to, from

B. with, and

C. to, and

D. with, from

答案：

A. to, from

B. with, and

C. to, and

(答案→)D. with, from

解析：句意：从现在开始，请小心你的学习。固定搭配：be careful with小心……；from now on从现在开始。根据语境可知选D。

考点: 考查介词的用法。