问题

____ the floor, I found his pen lying on the ground.

A:While sweeping
B:While swept
C:If sweeping
D:If swept

正确答案是：

同类题型

I’d rather you ________ there next week.

(2013·河南豫西五校高三质检)To her disappointment, what she had devoted herself to ________ in nothing but failure

______, I have to put the book away and focus my attention on study this weekend. [ ]

What do you think of the old couple—–It was an act of _____that they distributed foodamong the homeless.

_____ is your aunt She’s fifty.