问题

I had just stepped out of the bathroom and was busily drying myselfwith a towel __________ I heard the steps

A:still worked
B:is still working
C:was still working
D:had been working

正确答案是：

同类题型

__________ speed and comfort, bicycles can’t match other means of transportation like cars and trains

Drunken driving is dangerous, isn’t it–Yeah.That’s why drunken drivers____to prison even without causing accidents.

Nowadays we take___ exercise a day as we need because of widely used automobiles

____ I was in trouble , he would come to help me out . [ ]

Is it John that is being scolded in the manager’s office?No. It ______ be him. I saw him on the way just now.