______ Greens are on ______ visit to a beautiful city in China.
| A．/ , a | B．A , the | C．The , a | D．The, / |
Bob often _____ his homework after dinner.
| A．do | B．does | C．doing | D．to do |
The Browns usually drive to the park on Sundays. But today they go to the park_____ foot.
| A．in | B．on | C．by | D．of |
If we do nothing, the oceans ______ fish desserts.
| A．become | B．became |
| C．will become | D．are becoming |
— It’s her birthday tomorrow, ______ ?
— Yes, let’s have a surprise party for her.
| A．isn’t it | B．isn’t she |
| C．doesn’t it | D．doesn’t she |
I forget ______ my glasses yesterday.
| A．where did I put | B．I put where |
| C．where I put | D．that I put |