1. I think the report / talk is worth listening to.【解析】be worth doing sth.意思是“值得做某事”，在这个句型中，句子主语(the report / talk)实际上也是doing的宾语，如果doing这个动词是不及物动词，其后要加相应的介词。该题动词listening加了介词to。意思是listening to the report / talk is worth。
2. It’s / It has been three months since he left his hometown.【解析】“It’s+时间段+ since从句”意思是“自从……起多长时间了”。在这个句型中，since从句常用一般过去时。
3. When he saw that, he couldn’t help laughing.【解析】cannot help doing sth. 意思是“禁不住做某事”。
4. It is said that there are wolves in this forest.【解析】It is said that+从句（据说……）句型和There be（有）句型。
5. What / How about lending me some money?【解析】What about =How about 常用来引起一个问句，表示建议、征求意见或询问消息，意为“……好不好？”、“……怎样？”，后面可以接名词、代词和动名词。
6. Gradually, she is / gets used to living abroad.【解析】be / get used to doing sth.（习惯做某事）句型。其中to是介词，跟动词时，用v.-ing形式。句中用is / gets used to doing sth.意思是“慢慢变得习惯了做某事”。