—Where is your mother, Jack?—She is busy ____ a cake. I will have a birthday party tonight.
)—What’s his name?— .A、His is Bill B、It’s Bill C、He is Bill
)What’s that English?A、at B、on C、in
)—What’s this?—It’s orange.A、a B、an C、the
)—What color is your pen?—It’s .A、black B、a blue C、a yellow pencil
)—Are the keys yellow?— .A、Yes, it is B、No, they aren’t C、Yes, she is