—Who called just now, Sam?—It’s Mona. She asked _____.
—-Could you please go hiking with me this Saturday, Dad?—____. I have to go to a meeting.
—What do you want to do for vacation? —I ____ my aunt.
______ do you _________your new school?
What _________ things can I do for you?
There is _______"u" and ______"s" in the word "use"