24．While reading, you can make a mark _____ you have a question．
| A．the place where | B．what | C．that | D．Where |
Here _____. This is our classroom.
| A．are we | B．we are | C．you are | D．are you |
Only in the library _____ the book.
| A．we can get | B．can we get | C．can get we | D．we get |
I'd rather that you ______ the operation right away.
| A．perform | B．should perform | C．will perform | D．performed |
I enjoyed the movie very much. I wish I ______ the book from which it was made.
| A．have read | B．had read | C．should have read | D．am reading |
She insisted that she ______ somebody in the house.
| A．should hear | B．heard | C．hear | D．was heard |