问题

Jack has been working hard and _____ is no doubt that he will do a good job in the entrance exam

A:it
B:what
C:there
D:as

正确答案是：

同类题型

_________ people begin to learn Chinese in the world.

With no central government, the island was ruled by kings, _____ a different region of the country. [ ]

What did he come here for?—He came here especially to________your acquaintance.[ ]

Heilongjiang is in the _______ of China.

It was about 600 years ago _____ the first clock with a face and an hour hand was made. [ ]