_____ the flight to New York will be delayed is ____ I"m especially worried abou

题型：不详难度：来源：

_____ the flight to New York will be delayed is ____ I"m especially worried about.

A．If; what

B．Whether; that

C．When; that

D．Whether; what

答案

D

解析

试题分析：考查主语从句和表语从句：句意：是否去纽约的航班要被推迟是我特别担心的，第一空填whether，连接主语从句，第二空填what，连接的是宾语从句，what在宾语从句中做宾语，选D.
点评：连接主语从句和表语从句的连接词有：that, what, who, when, where, which, why, whether, how, whoever，whomever，whichever ，whatever等。解答这类题目，关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义，来选择正确的引导词。