选择正确的搭配。
你想知道有多少把椅子，可以说：
| A．How many chairs can you see? |
| B．How many chair can you see? |
| C．Where are the chairs? |
| D．How many desks can you see? |
I go to bedten.
A. in B. on C. at
Are they teachers? , they are.
A. Yes B. No C. Sorry
What are they? They are.
A. workers B. doctor C. doctor’s
My nameBetty.
A. is B. am C. are