Question

---It’s very kind ____you_____ help me complete the difficult job.
--- You’re welcome.
A. to; for                 B. for; of             C. of; to

Answer 1

C

解析试题分析：to到，不定式符号；for为了；of……的。句意：帮助我完成这项艰巨的工作，你太好心了。——不客气。固定句式It’s adj of sb to do sth，故选C。
考点：考查固定句式It’s adj of sb to do sth