Helen can’t run as fast as Nancy.(同义句改写)

Helen can’t run as fast as Nancy.(同义句改写)
Helen can’t run as fast as Nancy.(同义句改写)

Helen can’t run as fast as Nancy.(同义句改写)
Helen can’t run faster than Nancy

Helen runs slower than Nancy.
Nancy runs faster than Helen. 都可以哈

Helen runs more slowly than Nancy.
注：not as fast as……不如……快 = more slowly than 比……慢

Helen runs slower than Nancy.