There is no doubt that all this puts a large _________ on a teacher with a large

题型：不详难度：来源：

There is no doubt that all this puts a large _________ on a teacher with a large number of classes.

A．tax

B．catastrophe

C．sense

D．burden

答案

D

解析

tax 税,税款,税金; catastrophe大灾难,大祸; sense感觉,意义,理性;burden担子,负担。a large burden 一个很大的负担。