题干
The first thing _____ I'm going to do is to send an e-mail to Peter.
A：which
B：who
C：that
D：Why
答案(点此获取答案解析）
C
The first thing _____ I'm going to do is to send an e-mail to Peter.
A：which
B：who
C：that
D：Why
，则下列不等式中正确的是 （ ）
