题目内容
I hear our teacher will be back _________ three weeks' time．
at
in
for
after
I hear our teacher will be back three weeks' time.
A. at B. in C. for D. after
根据对话内容和所给的首字母，写出对话中所缺的单词，使对话完整，合乎情景。将完整的单词写在下面。
A：Hi，Sandy．What's the d 1 today，do you know?
B：Let me see，Peter．It's March 21st．Oh，it's World Sleep Day!
A：Yes．It is set to r 2 L people of the importance of sleep，I think．
B：That's right．Do you think you can have enough sleep?
A．No，so I always feel s 3 during the day．
B：I hear our government will make a project called Project Sunshine Sports for Students．Primary school students should have 10 hours' sleep e 4 day and middle school students should have 9 hours' sleep．All the students should get an hour's spots a day．
A：I cannot sleep so much．I can have o 5 seven hours' sleep a day．We have to get high marks，so sometimes we pay n 6 attention to our health!
B：Sleep is really important．For example，last Sunday I h 7 a good sleep，so I remembered more English words．
A：Me too．H 8 can l study well if don’t get enough sleep? We need to keep fit．
B：Yes，I a 9 with you．We students are the future of our c 10 China!
