—Why are you so happy?
—I heard from _____ just now. He sent me a nice photo.
A. my pen friend B. my pen friend’s letter C. my pen friend’s
May 12th is Jack's birthday. He invites us _____ to his home
A. go B. to go C. going
You shouldn't go out at night without _____ your parents.
A. to tell B. telling C. tell
（题文）— What a great gift! I'm _____.Who bought it for me?
— Your best friend, Paul.
A. surprising B. surprised C. surprise
— Nothing and nobody can live _____ air and water.
— I agree _____ you.
A. with, with B. without, with C. in, with
I _____ his invitation because I had to look after my sister.
A. turned on B. turned down C. turned off
