问题
Tom, my good friends, Jim and Mike.
A:This is
B:they are
C:that is
D:these are
B:they are
C:that is
D:these are
正确答案是：
同类题型
There are many volunteers _________ are helping the children in Sichuan.
Your bedroom is so dirty. Would you please _______, Peter?—OK, mum. I’ll do it right away.
This is not my Walkman. It’s _________. Mine is over there.
When you post a letter, don’t forget to put a stamp ________ the envelope.[ ]