【正文】
ck. 13.— I take some photos in the hall?—No, you . 。must 。is used to seems that it is going to rain. You’d better the windows open when you leave the house. leave to leave leave 3.—I’m afraid I need a pair of glasses. I hardly see the words on the blackboard. —That’s terrible. You may have got poor eyesight. , perhaps, they may forecast the weather for a week or more ahead (提前 ).