单项选择题
Could I help you with the heavy box? You look so-fired.()I can manage it.A. No, thanks.B. Yes, please.C. All right.
单项选择题 互联网中,计算机互相连接的主要目的是( )
单项选择题 我国对食用油中的敌敌畏农药残留限量指标为( )。
单项选择题 Did you enjoy your college life?().A. Yes, it was rich and colorfulB. No, it is interestingC. I like my college very much