Grammar Combine the following sentences using the conjunction “ since ” . (每句 3 分,共计 15 分 ) 1 .I shall go home now. It is late. 2 .He'll believe you . You have got evidence. 3 .Let's try another method . This method doesn't work. 4 .We would ask someone else . You didn't say anything 5 .You have to get up early . The school bus leaves at 7 a. m.