13.With the car________down halfway on the road, we had great difficulty walking home in the snow.
We're __________ at the __________ news that the Japanese government claimed to nationalize the Diaoyu Islands foolishly.
My boss required so much of me, so I believed that he was __________ being satisfied with my job though I had tried my best.
Surprisingly, Susan's beautiful hair reached below her knees and made __________ almost an overcoat for her.
Today's __________ of birth control make it possible for a couple to choose whether or not to have a child.
The foreign friends you referred to __________ looking forward to __________ around our university.