¸ßÖÐÓ¢ÓïÖ÷νһÖÂÁ·Ï°50Ìâ
Ö÷νһÖÂÁ·Ï°
1. About 60 percent of the students _____ from the south, the rest of them _____ from the north and foreign countries.
¡¡ A. are/is B. are/are¡¡C. is/are D. are
¡¡2. Half of the workers here _____ under 30 _____.
¡¡ A. is/years B. are/year old C. is/years old D. are/years of age

ÈÕÓï
º«Óï
·¨Óï
µÂÓï
Î÷°àÑÀÓï
Òâ´óÀûÓï
°¢À²®Óï
ÆÏÌÑÑÀÓï
Ô½ÄÏÓï
¶íÓï
·ÒÀ¼Óï
Ì©Óï


