【正文】
_______ skin on the g________. Please p________ it up. 四、翻譯句子 。 We __________ __________ the factories __________ from the __________ ?-意思是我們不可以在這大聲說(shuō)話。 What __________ the streets __________ and __________? ―___ _______. ,它們能幫助凈化空氣。 h It was _______ in the afternoon. They _______ to the _________ by bike.