根据句意和首字母提示完成下列句子。

1.There are sixty m___________ in an hour．

2.He is ill, and his i__________ makes us feel sad．

3.A lot of t__________ are visiting the Great Wall, so it is very crowded．

4.Good food and e__________ help me to study better．

5.It is n_________to eat a balanced diet.

根据情景和所给的首字母，在空格内填入一个适当的单词，使对话意思完整
What must you do when you get a present for your birthday? You have to sit down and
w  1  a thank-note. The w 2   “thank you” are very important. We have to use them very often. We say them when someone gives us a drink, h  3   us to pick up things, or lends us a book.
A  4    important word is “please”. Many people forget to use it. It is n  5    polite to ask someone to do something without s  6    “please”. We have to use it when we ask for something, too. It may be a book or a pencil, more rice or help.
We have to l  7    to say “sorry”, too. When we hurt someone, we’ll have to go up to say “we’re sorry”. When we forget something, we will a  8    say “sorry”.
These three words are easy b  9    important. Our children must learn to use them. They are pleasant words to use in a  10    language.

【小题1】You had better brush your t________ twice a day．
【小题2】You can i_______`your English if you study hard．
【小题3】The good news s________ very fast．We all know it now．
【小题4】Walking is a good exercise and it is n__________ for your health．
【小题5】The classroom is so noisy that we can't hear the teacher c______________．