----Are you a teacher?
----No, but I ______ in Harbin No. 3 High School for 3 years.
| A． had taught | B．has taught | C．teach | D．taught |
Middle school students are not permitted _______.
| A．to smoke | B． smoking | C．smoke | D．smoke d |
Do you still remember the museum _____ we visited three months ago?
| A．where | B． when | C．which | D．what |
She is pleased with _________ you have given her and all that you have told her.
| A．that | B． what | C．why | D．which |
I think it is unfair, ___________?
| A．do I | B． is it | C．don’t I | D．isn’t it |
The doctor thought ____ would be good for you to have a holiday.
| A．this | B．that | C．one | D．it |