There aren’t ____________ ricers in the park.
| A．a | B．an | C．any | D．one |
There are many ____________ rivers in the park.
| A．girl | B．boy | C．student | D．teachers |
She can do the ____________ at home.
| A．dish | B．dishs | C．dishes | D．dish’s |
What ____________ you do on Saturdays?
| A．do | B．is | C．are | D．does |
I often watch TV ____________ Mondays.
| A．in | B．on | C．at | D．to |
