1.How( )she go to school in the morning?A.is B.does C.do2.That is ( )American national flang.There( )fifty stars on it.A.a,is B.an, are C.an,is3.Yesterday my parents and I ( )our house.A.are cleaning B.cleaned C.are going to clean4.Listen! Xiaoming( )in her classroom.A.sings B.singing C.is singing

问题描述:

1.How( )she go to school in the morning?A.is B.does C.do
2.That is ( )American national flang.There( )fifty stars on it.A.a,is B.an, are C.an,is
3.Yesterday my parents and I ( )our house.A.are cleaning B.cleaned C.are going to clean
4.Listen! Xiaoming( )in her classroom.A.sings B.singing C.is singing

b
b
b
c