把下列句子改为否定句。 (1)We are students. ________________________________________ (2)You are young and polite. ______________________________ (3)I am tall and strong. ___________________________________ (4)Sarah’s helpful at home. _______________________________
选出正确的单词,完成下列对话。 Amy: Who is your Chinese teacher? Chen Jie: Mr Zhang. Amy: _______ _______ (Is he / Is she ) young? Chen Jie: No, he ______. (isn’t / aren’t) Amy: Who is that young lady? Chen Jie: ______ ______ ( He is / She is) our new teacher. Amy: Is she _______ ( strict / kind)? Chen Jie: Yes, she is very strict, but she’s kind after class. Amy: We have _______ ( a / an ) English teacher. Chen Jie: Really? _______ (What / Who) is he like? Amy: She is tall and thin.