— May I ask you some questions?
— ______________
A. Yes, he may. B. Sure, go ahead. C. Of course not.
We should keep our classroom _____.
A. cleans B. cleaning C. clean
They had a _______ rest yesterday.
A.3--hours B. 3--hour C. 3 hours
______ are my sister’s pencils and ______ my ruler.
| A．Those; that | B．These; that’s | C．This; that’s | D．That; this is |
—Simon, your mother looks nice!
—__________.
| A．Thank you. | B．OK. | C．No, she isn’t. | D．Yes, that’s nice. |
—Can you see the map on the wall?
—Yes,_________.
| A．I do | B．I can | C．I am | D．I can’t |