We do not permit _________ in the office.
| A．to smoke | B．to smoking | C．for smoking | D．smoking |
There were dirty marks on her trousers__________she had wiped her hands.
| A． where | B． which | C． when | D． that |
The English play__________my students acted at the New Year’s party was a great success.
| A． for which | B． at which | C． in which | D． on which |
I hate __________ when peope talk with their mouths full.
| A．it | B．that | C．these | D．them |
—I drove to Zhuhai for the air show last week..
—Is that _________ you had a few days off ?
| A．why | B．when | C．what | D．where |
—Let’s go and have a good drink tonight.
— _______________Have you got the first prize in the competition?
| A． What for? | B． Thanks a lot. | C． Yes, I’d like to. | D． Why not? |