______是语言学习的重要条件和前提，因此，教师应该特别注重心理学的基本原理，掌握语言的知识与功能的呈现策略。

(单选题)—I wonder ______ you’ll water the flowers.—Once a week. (单选题)Health is money, but it is ______ money. (单选题)The boy made his girlfriend ______ finally after he told her (单选题)—Can I help you?—I’d like ______ for my son. (单选题)It was very hard for me to make a ______, but I decided to g (单选题)I don’t have to introduce her to you ______ you know the gir (单选题)It is nice of you to ______ so much time helping me to learn (单选题)The shy girl found ______ difficult to get along with the ot (单选题)Mike is ______ honest boy. You can believe him. (单选题)—Do you think the English exam was difficult?—Yes, I could _