The Changjiang River is _________in the world.
| A．a longest river | B．the longest river |
| C．one of the longest river | D．one of the longest rivers |
How time flies! Three years _________ in our junior high school.
A. have passed
B. have been passed
C. has passed
It _____ three years since we ______ to college.
A. was; went
B. has; been
C. has been; went
_____ the girl is only nine, _____ she takes care of her brother every day.
A. Although; but
B. Although;不填
C. Because; 不填
My uncle ________ Hangzhou for his holiday next week.
A. is leaving to
B. is leaving for
C. is going
Chinese is spoken _____ a first language ______ Chinese.
A. as; by B. as; in C. by; by