4.  你知道教室里究竟在发生什么事情吗？

Do you have any idea ______________ in the classroom?

3.  这就是我们唯一的请求：尽快解决这个问题。

This is our only ______________________ as soon as possible.

2. 即使已经考虑到所有的因素，系统是否将工作仍然有一些疑问。

_____________________  the system will work even though all the factors have been considered.

根据汉语意思完成句子

1. 我们应该讨论下我们是否能按时完成任务这个问题。

We should discuss the question____________________________________ .

20. There is still some doubt _________ the spring sports meeting will be held in our school,but there is no doubt__________ it will be held soon before the middle exam.

19. A plan has been put forward________ more graduates should go to work in the country.

18. I've come from the government with a message________ the meeting won't be held tomorrow.

17. The news shocked us_________ a little girl was twice run over and then ignored by 18 passers-by.

16. Don't worry ！ There is still a great chance __ we can make up for the lost time.

15. We're excited to learn the news ______ China will send three astronauts into space between June and August this year.