单词拼写（本题有10小题，每小题1分，共10分）
根据下列句子及所给单词的首字母，按题号写出各单词的完全形式（每空限填一词）As we all know, there are twelve m_________ in a year.
If you are f __________ this afternoon, let’s go shopping.
Working hard , you will o__________ this difficulty.
He was busy, t_______________, he couldn't come.
These books b________ to Sarah , so I must give them back to her in time.
As Teachers’ Day is a_________________ ,our class decide to hold a party to celebrate it.
About 71 percent of the earth’s surface is c________ by water.
I u________ go to bed at 10:00 p.m., but I stayed up till 11:00 last night.
It is l___________ that you could suffer from bad health if you keep smoking.
Whoever is never c__________ with the progress he has made will be a success.