问题

With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.

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

正确答案是：

标签： development , science , technology

同类题型

All the students are talking and laughing in the classroom and it’s _______.

Think after you read ____.

______hasbeensaidabove,grammarisasetofdeadrules. [ ]

You see, “Food Safety” receives thousands of Internet hits a day.—Obviously, it has become one of the _________ topics recently.

Come as early as possible ;________,the better.