问题

Even though Jack has failed many times in his experiment，he holds a belief________he will succeed oneday if he carries on with it.[ ]

A:what
B:which
C:whether
D:that

正确答案是：

同类题型

They arrived ___ London___ a cold winter morning.

______ their house in London, they also have a villa in Spain

My friend Jennifer, ____ help I’ve made great progress in my studies, will leave for Canada next week.

There is with my computer, so I can’t finish the work on time today.

______ he can hardly read is ____________ he is slow in mind.