问题

The number of various educational programs is increasing, _______ important roles have been realized by more and more people.
A:whose
B:where
C:which
D:that;
B:where
C:which
D:that;
正确答案是:
同类题型
is ___ animal fur ,so he won’t visit anyone who has cats or dogs in the house .
We can’t put off _____ a plan .
“Three” is three times _________ “one” and twice _________ “one”.
The terrible weather ________ our difficulty in building the road.
Does he enjoy ________ the football matches on TV—-Yes, he ________.