Question

He had to help his parents ________ on the farm on weekends.

A. workB. working

C. works D. worked

 

Answer 1

A

【解析】

试题分析：句意：他不得不在周末帮他父母在农场干活。固定短语“帮助某人做某事”help sb. (to) do sth.故选A。

考点：考查非谓语动词。