1.The reason is so obvious as to __________ require explanat

1.The reason is so obvious as to __________ require explanation.
A.nearly B.seriously C.hardly D.heavily
2.Excuse me,Mr Black,but I have to __________ you with a few questions.
A.ask B.bother C.disturb D.admire
3.It was clear that the small grocery was __________ people he owed money to.
A.at the expense of B.at the risk of
C.in the way of D.at the mercy of

1 c
2 b
3 d
译文：1 理由如此明显以致于几乎不需要解释.so.as to =so that
nearly 几乎
hardly 几乎不
2 劳驾,black先生,不过我有几个问题要麻烦你///// ask sb for sth 所以不选.
3 很明显,水果商任由人们（他{水果商}欠钱的人}）摆布.
这是定语从句修饰people//
at the expense of 以.代价
at the risk of 冒险.
in the way of 以.方式
at the mercy of 由...摆布///
注：第2个不太确定,只希望可以帮到你////