用英语解释3个句子 1.Angela is ahead of others in maths in her class.

1.Angela is ahead of others in maths in her class.
1.Angela is better at maths than any other classmate.
2.I always lose my appetite for meals when I am sick.
2.I always have no desire for meals when I am sick.
3.Do you know where I can buy some fresh fruit?
3.Do you have any idea where I can buy some fresh fruit?