1.morning 那个是打错了把?
2.去掉join后的in
3.Eleven thousands students 改成Eleven thousand students
4.a active part of 改成 an active part in
5.was holding 改成 was hold
6.we were spend 去掉 were
7.help us 改成 helps
8.more efficient 改成 more efficiently
1.morning 那个是打错了把?
2.去掉join后的in
3.Eleven thousands students 改成Eleven thousand students
4.a active part of 改成 an active part in
5.was holding 改成 was hold
6.we were spend 去掉 were
7.help us 改成 helps
8.more efficient 改成 more efficiently