找出句中的错误并改正。
1.Robin isat Mr Jones house. (________)__________
A B C
2.In the park thereare a high mountain. (_______)__________
A B C
3.There are many ducksin the lake. (_______)__________
A B C
4.Are there sometrees? (_______)__________
A B C
5.How manyrabbitare there? (_______)__________
A B C