The Marco Polo Bridge Incident was the trigger for the Sino-Japanese War.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

We conducted a questionnaire survey for the development of new products.

We need to conduct a factual investigation on this issue.

We went to the scene for fact-finding.

The next census will be conducted next year.

When will the next national census be conducted?