Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.

A. to invite      B. inviting        C. invite D. invited

My ______ of this weekend’s activity is going out with some good friends.

A. idea                B. opinion          C. mind               D. thought

He managed to reach the summit of his career, but it was at the _________ of his health.

A. consumption         B. credit       C. exhaustion        D. expense

To save some of the human languages before they are forgotten, the students in our school started a discussion “Save Our ________”

A. Sky        B. Life        C. Arts            D. Voices

The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.

 A. /,/     B. the,/     C. the , the    D. a ,the

Recently some studies have found that learning ____________ second language can lead to _______________ increase in one’s brain power.

A．a; the   B．不填; the    C．a; an    D．the; an

I heard you have         vacant position for a secretary. I’ve come to apply for        job.

A．the; a   B．a; the   C．/; a D．a; /

While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.

A. a; 不填 B. a; the　　C. 不填; the D. the; a

—Could you tell me the way to __________ Johnsons, please?

—Sorry, we don’t have __________ Johnson here in the village.

A. the; the     B. the; a     C. 不填; the     D. the; 不填

At the age of 29, Dave was a worker,  _____ in a small apartment near Boston and ______ what to do about his future.

A. living; wondering                  B. lived; wondering

C. lived; wondered                    D. living; wondered