问题

_________ happened to be no one in the building when the fire broke out
A:It
B:There
C:This
D:That
B:There
C:This
D:That
正确答案是:
同类题型
art of a new year brings hope — hope _____better health, more happiness and greater success.
“I don’t think I am different from else.I am just the son of a farmer,” Mo Yan said.
ook is written by my sister,_________ is working for CCTV.
The police have searched the mountain the missing student for a few days.