求翻译（十万火急！！！）鸡毛信

Question

1.他生病了,他妈妈只好呆在家里照顾他(独立主格)
2.直到去年，他才回到杭州（not until)
3.他保持沉默，眼里充满了泪水
4.如果你没有帮助我，我我可能已经陷入困境了（虚拟）

Answer 1

1. He is ill, his mother has to stay home and look after him
2. He did not return to Hangzhou until last year,
3. He remained silent, with his eyes being filled with tears
4. I might have been in trouble If you did not help me,