A.am | B.is | C.are |
A.lot of | B.lots | C.lots of |
A.at; in | B.at; on | C.for; in |
A.What is the man doing? | B.What are the men doing? |
A.The horse is dancing. | B.The elephant is singing. |
A.What Tom is doing? | B.What is Tom doing? |
A.at | B.on | C.in |
A.doing | B.drinking | C.rowing |
A.am | B.is | C.are |