问题

at changes have taken place in thatschool. It is no longer ______ it was 20 years ago, _____ it was so poorlyequipped.
A:what; when
B:that;which
C:what; which
D:which; that
B:that;which
C:what; which
D:which; that
正确答案是:
同类题型
They have to do a lot of work, ________ they
me, sir. Look at the sign onthe wall “NO ____”.–Oh, I’m sorry. I’ll never do it again.
I failed in the final examination last term and only then ________ the importance of studies.
The factory produces half a million pairs of shoes every year,80%________ are sold abroad.