—Wendy, thanks ____ helping me learn English.— You’re welcome. And you help me a lot ____ my maths, right?
Mr Wang teaches _________ English in this school.
Which vowel is different?
---Can I have _____cakes, please? ---Sorry, I don’t have _____cakes.
My brother often _______ e-mails to his pen friends.
How many classes _______ every Monday morning?