第一卷选择题（共40分）
一． 单选填空（共15题，每小题1分，满分15分）
1. I forgot to bring my pen, would you please lend ________ to me?
A. one B. that C. it D. this
2. —May I go swimming this afternoon?
— I'm afraid not _______ you have finished your homework.
A. if B. unless C. because D. but
3. — What do you want to eat for lunch? I will prepare it earlier today.
— You_____, mum. Let’s go out to have something different.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
