Mom, when can I go out to play football?—Finish your homework first, or I ________let you go out.

My bike is broken . May I borrow _______ ?

Do you usually go to work ______ foot or ______ bike? [ ]

If we _____ nothing, there _____ fewer and fewer tigersin the world. [ ]

I don’t _______ the heat, for I’m used to hot weather.