托业考试

【单选题】All employees are ______ to perform their duties in a professional manner at all times.

A、apparent
B、alleged
C、allowed
D、supposed

网考网参考答案：D
网考网解析：
由perform their duties in a professional manner at all times可判断，横线处所填单词应表示“应该…”。答案是(D)supposed。be supposed to do表示“应该做某事，被期望做做某事”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>