—Why are you so happy? ( )
—Because we are ______ at school.
—Because we are ______ at school.
| A．bad | B．back | C．bake |
—Why are you so ______?( )
—Because I played too hard.
—Because I played too hard.
| A．sad | B．happy | C．tired |
你看见Amy的一张大床，你应说：________ ( )
| A．Your bed is big. | B．Your bed is nice. |