– Do you know who cleaned the blackboard, Tina? -- Yes. John _____. A. do B. does C. did
Let Jim____ and _______TV.
I think basketball is interesting, ______ he thinks it is ______.
— Let’s play _____ football.—That _____ good.
A set of keys ____ in the library. Are they yours?
— Where _______your books? — _______ in the bookcase