根据音标或首字母填写恰当单词，每空一词．
When I opened the door， I found a white world with thick ______ /snəu/
I tried calling you your phone was out of service．（ ）
A．andB．butC．soD．or
﹣﹣﹣Look! They are ．
﹣﹣﹣Yes． We are proud of them．（ ）
A．man scientistB．women scientists
C．woman scientistsD．man scientists
Either the students or the teacher him very well．（ ）
A．knowsB．to knowC．knowD．knew
exciting news it is! Beijing will hold 2022 Winter Olympic Games．（ ）
A．What anB．WhatC．HowD．How an
Hong Kong Disneyland is well worth ．（ ）
A．to visitB．visitedC．visitD．visiting