_____interesting work it is to teach children！
| A．How | B．What | C．What an | D．How an |
_______are his brothers.
| A．It | B．This | C．That | D．These |
The dining room is behind our school science lab.
next to the library.
| A．It’s | B．they are | C．The dining room | D．its |
They can’t seeflowers in the picture.
| A．some | B．a | C．an | D．any |
There aredesks in Li Lei’s classroom.
| A．forty-fifth | B．fourty | C．forty-five | D．forty five |
His home is onbusy street,
There isold hotel next to it.
| A．a,a | B．a,an | C．an,a | D． the ,the |