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
According to the law, all foreigners have to ________ with the local police within two weeks of arrival.
A. associate B. dispute C. negotiate D. register