A.Open the window, Wang Bing. |
B.Don't close the door, Wang Bing. |
C.Close the window, Wang Bing. |
A./; to | B.to; to | C./; / |
A.some; on | B.any; on | C.any; in |
A.have; an | B.has; a | C.has; an |
A.cake; pie | B.cakes; pie | C.cakes; pies |
A.When; in | B.When; on | C.When; at |
A.What; at | B.When; At | C.When; at |
A.How many lessons | B.What lessons | C.What subjects |