— Where is Bob?
— He ______ in the library.
| A．reads | B．is reading |
| C．read | D．was reading |
—This is my sister Ann．一Is______a student?
A．she B．he C．her
____________you play the violin?
A．Are B．Can C.Is
My father usually__________a shower____________the morning．
A．take；in B．takes；in C．take；on
How much are these shoes?____________twenty dollars．
A.Are B．There C．They’re
Let’_____________now．
A．go to home B．to go home C．go home