The Smiths are praised ________ the way they bring up their children.
| A．from | B．by |
| C．at | D．for |
We are confident that the environment ________ by our further efforts to reduce pollution.
| A．improves | B．will be improved | C．has improved | D．was improved |
— Where did you find the professor who made the speech yesterday?
— It was in the hall_______ the students often have a meeting.
| A．where | B．which | C．that | D．when |
When I first met Mary I didn’t like her, but I ________ my mind.
| A．have changed | B．change | C．had changed | D．would change |
I ________ myself more— it was a perfect day.
| A．shouldn’t have enjoyed | B．needn’t have enjoyed |
| C．wouldn’t have enjoyed | D．couldn’t have enjoyed |
_______ at the cafeteria before, Tina didn’t want to eat there again.
| A．Having eaten | B．To eat | C．Eat | D．Eating |