语法与词汇 15.Would you just______an eye over this letter before I put it in the post?
【正确答案】 B
【答案解析】动词形异义近辨析。这四个词都指“抛，投，掷”。cast“把……投向(指向)，投射”，cast an eye／one’s eye(s)over sb．／sth．表示“很快地看”，如：She cast aglance in his direction．她朝他那个方向扫了一眼。