---John and Tom, you two clean the classroom today, _____?
---But we cleaned it yesterday.
| A．do you | B．will you | C．didn’t you | D．don’t you |
_______ in a white uniform, he looks more like a cook than a doctor.
A Dressed
B. To dress
C. Dressing
D. Having dressed
When _______help, one often says ‘Thank you. ‘or 61t's kind of you.'
A offering
B. to offer
C. be offered
D. offered
Both the concerts will be broadcast _______ at the same time.
| A．live |
| B．alive |
| C．living |
| D．lively |
He made a speech at the conference, _______folk music.
| A．hearing from |
| B．thinking of |
| C．carrying on |
| D．dealing with |
I'm going to get _______ this afternoon.
| A．these letters mailing |
| B．mail the letters |
| C．to mail these letters |
| D．him to mail the letters |