问题
选择题
--- What did you mention you’d been accustomed to?
---______ to soft music before going to bed.
A．To listen
B．Listen
C．Listening
D．Listens
答案
答案：C
be accustomed to “习惯于”to为介词后接动名词作宾语，本题完整回答为：I mentioned I had been accustomed to Listening to soft music before going to bed..