Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.
Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .
6（）
A.on
B.for
C.off
D.to
参考答案：B
解析：
[考点解析] 选项B“for”一词与其后面的成分(either side to terminate the conversation)结合在一起构成英语中常见的一种动词不定试结构，即:...for sb. /sth. to do...(某人或某物做某事)。考生在解题时要注意一些常用的固定语言结构或形式。