题干
______ made us much disappointed.
A：Her not coming back
B：Her not to come back
C：She not coming back
D：She not to come back
答案(点此获取答案解析）
A
______ made us much disappointed.
A：Her not coming back
B：Her not to come back
C：She not coming back
D：She not to come back
，则
的值为