阅读下面的短文，根据所给首字母提示，用合适的单词填空。
“Come here, Li lei!” says the mother, “Give me your school report(成绩单).” Li Lei gives it to his mother.
“Oh, you fail(不及格) again,” says his mother,
“You aren’t good at your lessons. Why not s____ hard at school?” “I’m sorry, Mum,” says Li Lei, “I’ll do well in my lessons a_____ you buy me a computer!”
“Really?” asks the mother.
“Yes,” answers Li Lei, “My teacher s____ computer can make people clever.”
“All right,” says the mother, “Let’s go to the shop and buy one.” When they come into the shop, the girl in the shop asks, “Can I help you?”
“Yes, please,” answers the mother, “I’d like to have a look at your computers.” “There are m_____ kinds of computers,” says the girl, “What kind of computer do you like, madam?”
Li Lei looks at the computers and asks, “Do you have a computer that can do homework f____me?”