问题

I remember a ______ famous scientist said that we should believe in ourselves first of all. [ ]

A: some
B: certain
C: sure
D: other

正确答案是：

同类题型

Would you like to stay ____ days in Beijing—No, thanks. I’m afraid I’ll be back tomorrow.

It is________that when he’s tired he gets badtempered.[ ]

I was very busy that day Otherwise I_________in the discussion

in tomorrow, we would have to calloff the hike

What ____ bad weather!