Our monitor was absent. Otherwise I _________ the chair.
| A．would not take | B．didn't take |
| C．hadn't taken | D．wouldn't have taken |
Peter was so excited ______ he received an invitation from his friend to attend the wedding.
| A．where | B．that | C．why | D．when |
When you read a book, you should make a mark ______ you have any question.
| A．where | B．which | C．that | D．what |
Reading is an experience quite different from watching TV; there are pictures ______ in your mind instead of before your eyes.
| A．to form | B．form | C．having formed | D．forming |
The picture ______ on the wall is painted by my grandfather.
| A．having | B．hanging | C．hangs | D．being hung |
Smoking pollutes air. You ______ smoke here.
| A．won’t | B．can’t | C．ought not to | D．needn’t |