—_________is very interesting to swim in the river in summer,but it’s dangerous.
| A．This | B．That | C．It | D．He |
—________ girls are there in you r classroom? —There’re thirty-one.
| A．How many | B．How old | C．Who | D．Which |
There ________ dog in the picture.
| A．isn’t | B．aren’t any | C．isn’t a | D．aren’t a |
________ you know Peter?
| A．Are | B．Do | C．Does | D．Is |
How many ________ are there in the school?
| A．librarys | B．classes | C．glass | D．grade |
—Are there any balls under the chair? —________.
| A．Yes, there is | B．Yes, they are | C．Yes, there are | D．No, there are |