I guess you were in a hurry. Look! You _______ your sweater inside out.
| A．hadworn | B．wore | C．arewearing | D．werewearing |
Early in ________morning word came that Mr. Black had been elected ________president of the company.
| A．a；不填 | B．the；不填 |
| C．a; the | D．不填；the |
She studied ________ medicine before she became ________ writer
| A．the; the | B．the; a |
| C．不填； a | D．不填； the |
On April 24th, 2011, Hu Jintao, ________ chairman of the P．R.C., and other state leaders attended Tsinghua centennial (百年的) celebration at ________ Great Hall of the People in Beijing.
A./；/ B./；the
C．the; the D.the; /
My summer camp isn't ________ good fun, but it is ________ real learning experience for me.
| A．a; / | B．the; a |
| C．/; a | D．a; the |
The person in ________ charge of the program was at ________ complete loss when the incident happened.
| A．不填；不填 | B． |
| C．the; 不填 | D．the; a |