Question

【题目】 The librarian told us that we could borrow at most three books __________.

A. at a time B. all the time

C. from time to time D. on time

Answer 1

【答案】A

【解析】试题分析：句意：图书管理员告诉我们我们能一次最多借三本书。A. at a time一次；B. all the time一直；C. fromtime to time时常；D. ontime按时。根据题意，故选A。