_________difficult questions the teacher is asking! Only a few students can answer them!
| A．What a | B．How a | C．What | D．How |
I am a teacher. She is a teacher, _______.
| A．to | B．too | C．two | D．of |
--- do you spell “clock”?
--- C-L-O-C-K, clock.
| A．What | B．How | C．Who | D．Where |
--- Are those his pencils?
--- Yes, _____.
| A．it is | B．those are |
| C．they are | D．these are |
—Is that your book?
—No, .
| A．it is | B．it isn’t |
| C．they’re | D．they aren’t |
______ are John’s ______.
| A．This, key | B．That, key |
| C．These, keys | D．Those, key |