1 . At the Chinese art festival, there are different stands ________ artists demonstrate their skills and teach the visitors.

A．where

B．which

C．that

D．when

2 . The number of people invited________ fifty, but a number of them________ absent for different reasons.

A．were; was

B．was; was

C．was; were

D．were; were

3 . In the dark street, there wasn’t a single person ________ she could turn for help.

A．that

B．to whom

C．who

D．from whom

4 . He’s got himself in a dangerous situation ______ he is likely to lose control over the plane.

A．when

B．that

C．which

D．where

5 . Recently we had a discussion about whether an entrance fee should be ________(收费) for parks. (根据汉语提示单词拼写)

6 . 【2018·北京】—Good morning, Mr. Lee’s office.
—Good morning. I’d like to make an appointment _________ next Wednesday afternoon.

A．for	B．on
C．in	D．at

8 . I prefer ________ out for a walk rather than ________ at home doing homework.

A．to go, to stay

B．go, stay

C．going, staying

D．to go, stay

9 . _______himself in his study, he didn’t know that all the others had left.

A．Buries

B．To bury

C．Buried

D．Burying

10 . Mary can’t attend the conference at 3 o’clock this afternoon because she ________ an event at that time.

A．will be interviewing

B．would interview

C．has interviewed

D．will interview