问题
Where have you _________ all day —I came back at noon and I _________ inthis room ever since.
A: which
B: on which
C:when
D: on that;
B: on which
C:when
D: on that;
正确答案是：
同类题型
The job is not very profitable ________ cash, but I can get valuable experience from it
Shanghai is __ the east of Nanjing
Where are you going tomorrow morning–We _____ go to Xiamen， but we’re not sure.
Wait a moment, I have _______ to tell you.
Can you tell me her plan–Yes. She is looking forward to______.