There is _____ “u” and _______ “s” in the word “us”.
My parents bought me a new iPhone on my _______ birthday.
Tom fell in love with Dongying and he decided to find _______ job as a foreign teacher here.
It’s too dangerous to cross the road _____
I have ______ the book for two days.
---I wonder if he ______ this weekend, ---If he _____ , I’ll let you know