After a short rest, the workers kept on ____

试题详情及答案解析

After a short rest, the workers kept on _____ till midnight.

A．work	B．working
C．to work	D．to working

答案：B

试题分析：句意：在短暂的休息后，工人们继续工作到深夜。keep on doing,继续做某事。结合句意，故选B。
考点：考查动词短语。