当别人感谢你时,你应该说:A. Thank you. B. you are welcome.
-_______do you learn English? -I learn English every day. A.How old B. How often C. How many
We can't ______water here. This water isn't clean. A.to drink B. drink C. drinking
sister is an English teacher.
are good friends.
Miss Li is a teacher, Meimei is______________student.