American students have ______ weeks ______ in summer holiday than Chinese students.
| A．more ; on | B．fewer ; on | C．more ; off | D．less ; off |
—Please say something about Zheng He.—Oh! He is the Ming dynasty explorer of ______ all the Chinese are proud.
| A．who | B．whom | C．whose | D．that |
The People’s Republic of China was ______ on October 1st, 1949.
| A．find | B．found | C．founded | D．founding |
do you write to your pen-friend?— Once a week.
| A．How long | B．How soon | C．How far | D．How often |
It was late _______the night of october20，1999．
| A．on | B．in | C．at | D．for |
“We _____ go to see a film. We'll go to see a new film _____ next week.
| A．sometimes; sometimes | B．sometime; sometime |
| C．sometimes; sometime | D．sometime; sometimes |