The fire made _____ difficult to rescue the people trapped under the ruins in the earthquake.
#15323
A
/
B
this
C
that
D
it
推荐题目
“Is there anyone in your class ____ the name of Mary? ”____. 
#16627
A
whose; No
B
her; None
C
by; No one
D
called; Nobody
 Has ________  been decided when we are to hold the sports meeting? 
#16782
A
that   
B
he   
C
it   
D
what