Question

【题目】—What did our science teacher say just now?

—He asked us ___________ more attention ___________ the lab clean.

A. to pay；to keep B. to pay；to keeping

C. pay；to keeping D. pay；to keep

Answer 1

【答案】B

【解析】

试题分析：句意：——我们的科学老师刚才说什么了？他要求我们多注意保持实验室清洁。ask sb. to do sth.使/让某人做某事；pay attention to doing sth. 注意做某事。故答案为B。