第1个回答 2011-09-18
1.there are thirteen books on the desks。
2.six new classmates
3.A(非特指,所有用不定冠词。)
4.A
第2个回答 2011-09-18
1.there are thirteen books on the desks.
2.six new classmates
3.A
4.D
第3个回答 2011-09-18
1There are thirteen books on the desks .
2Six new students.
3A
4A
第4个回答 2011-09-22
1.There are six books on the desks.
2.six new classmates.
3. A.
4.B.