On April 24, Tsinghua University its 100th anniversary at the Great Hall of the People in Beijing.
| A．congratulated | B．challenged | C．celebrated | D．participated |
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 |
—Have you finished the book？
—No. I’ve read up to _____ the children discover the secret cave.
| A．which | B．what | C．that | D．where |