Question

_________ the flight to New York will be delayed is _________ I’m especially worried about. ..

_________ 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

Answer 1

D

考查名词性从句。句中whether引导主语从句，句首不可用if，what引导表语从句，在从句中作宾语，选D。