— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
When did you get ___?
This sewing machine is made ___ China.
I don’t think you can finish the work ____ my help.
—How long has this bookshop been in business?—_______ 1982
—What are you doing?I’m looking ___ the children. They should be back for lunch.