英语.句型转换.1、Many people gave her flowers and cards.（改为同义句.）2、He is helping his grandmother cross the street.His grandmother is 90years old.（合并成一句）

He is helping his grandmother who is 90years old cross the street.
He is helping his 90-year-old grandmother cross the street.

He is helping his grandmother who is 90 years old cross the street

这道题的正确答案是：
1 Many people gave flowers and cards to her
give sb sth= give sth to sb
2 He is helping his grandmother cross the street because his grandmother is 90 years old.
他正帮他奶奶过马路,因为他奶奶90岁了.

He is helping his grandmother who is 90 years old cross the street希望帮到你 这道题肯定是改成定语从句的