Sports can not only ________ our bodies but also our confidence(自信). A. put up B. build up C. grow up
There are enough cups for each visitor to have _______.
– I’m going to Mary’s birthday party. Bye, mom. --_______, David!
Look! There are some birds _______ in the sky. They are very beautiful.
You’d better _______ the test paper before handing it in.
Nancy, sweep the classroom, _______?