Question

 The students found it easy to ________ what their teacher had taught.

A. take in                                                         B. take off

C. take on                                                               D. take back

Answer 1

【解析】选A。句意：学生们觉得很容易理解老师所教的内容。take in留宿，欺骗，吸收; take off起飞，脱掉；take back收回，退回；take on雇用，呈现。