语法与词汇
The manager gave her his _____ that her complaint would be investigated.
A、
assurance
B、
assumption
C、
sanction
D、
insurance
【正确答案】
A
【答案解析】
句意：经理向她保证会对她的投诉进行调查。assurance保证，担保；assumption假定；设想。sanction制裁。insurance保险；保险费。
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