那是一个书包吗？不，它不是。应该说：
A. Is that a schoolbag? No, it isn’t.
B. Is this a schoolbag? No, it isn’t.
C. Is that a schoolbag? Yes, it is.
妈妈喊你到客厅来，说：_________________
A. Come into the kitchen.,please.
B. Come into the living room,please.
There is ________ armchair in the living room.
A. anB. a C. am
There’re two __________ and a big _________on the wall.
A.pictures, balloons B. kites,clockC. kite, balloon
___________a desk in my bedroom.
A. There areB. There’s C. They’re
Welcome _______ our class.
A. inB. toC. for