A.sing, sings | B.singing, is singing | C.sing, is singing |
A.listen | B.listening | C.listening to |
A.on | B.after | C.behind |
A.a | B.any | C.one |
A.Is there | B.Are there | C.There is |
A.at | B.for | C.to |
A.Where's the reading room? |
B.Where's the computer room? |
C.Where's the table tennis room? |
A.showing | B.shows | C.show |
A.a | B.some | C.any |