It is difficult to ____ one twin from theother. They almost don’t ____ from each other.

Her family__________much larger than mine four years ago.Her family__________dancing and singing when I came in last night.

How wonderfully Jim is swimming in the pool！—It ______ be Jim. I am not sure.

________ seems that she was not interestedin the topic they were talking about.

ys, Chinese consumers are increasingly aware oftheir rights , safety and qualityissues remain top concerns