________ under the tree? No，they aren’t．
A．Where are B．What is C．Are the balls D．Is the ball
The baseball is _____ the floor _____ the desk．
A．under; on B．under; under C．on; on D．on; under
--____________? --No, it isn’t．
A．Is your pen red B．Are you Tom C．Are you a boy D．Am I a girl
--What are these? --_______ books．
A．This is B．That’s C．These are D．They are
如果你想知道对方姓什么时，你应该问_____________________________
A．What’s your name B．What’s your family name
C．What’s your first name D．How old are you
_______ are my brother and sister．
A．This B．These C．That D．It
