air pollution can also lead to lung cancer.为什么lead不能改成cause

air pollution can also lead to lung cancer.为什么lead不能改成cause 1.Smoking can lead to lung cancer. Does smoking lead to lung cancer? Air pollution,both indoor and outdoor,can also()to lung canc If___,the viruses of the tombs can cause illness or lead to smoking can reason lung cancer lead to 1.smoking can cause lung cancer（肺癌）.（同义句） lead "lead 为什么是lead to success而不是lead to succeed,不是lead to do么? result from lead to cause bring out的区别