题目内容:
If it __________for his bad cold, Rick would have enjoyed more on his birthday party.
A.is not
B.were not
C.has not been
D.had not been
参考答案:
答案解析:
If it __________for his bad cold, Rick would have enjoyed more on his birthday party.
A.is not
B.were not
C.has not been
D.had not been