问题
It’s said that Armstrong sent a message to Mission Control _____ said that two huge, strange objects landed near them and were watching them.
A:who
B:which
C:whom
D:whose
B:which
C:whom
D:whose
正确答案是：
同类题型
The possibility _________ we won’t produce enough goods troubles everyone here.
They have T-shirts _______ green and black for only $13 _______ the shop. [ ]
Can you __________________ other ways to solve this problem?
do you fly to Japan to see your son?—Once a year.[ ]
Martha is a girl. She always smiles and says hello to others.