She looks very busy. I want to help her, but I don’t know________.
A. how to do B. what to do C. what to do it
Mr. Black talked about his son with the teacher____ the phone.
A.. on B. in C. with
—Could you please ____ your room, Tom? — __________.
A. cleaning, No problem
B. clean, Certainly
C. clean, No I couldn’t
— Why are you unhappy, Kate?
— I didn’t finish my homework again. I’m afraid Miss Gao will be ___ me.
A. angry with B. friendly to C. proud of
What’s happening _______ Ms.Green?
A. on B. with C. to
Amy was reading a book _____ I came in.
A. when B. while C. because
