问题
选择题
She kept _________ hard at her physics and finally caught up with us.
A.work
B.worked
C.working
D.to work
答案
答案:C
题目分析:句意:她在物理上继续努力,最终赶上我们。keep doing一直做某事,根据题意,故选C。
She kept _________ hard at her physics and finally caught up with us.
A.work
B.worked
C.working
D.to work
答案:C
题目分析:句意:她在物理上继续努力,最终赶上我们。keep doing一直做某事,根据题意,故选C。