The film started ten minutes ago.保持原意 The meeting _____ _____ _____for ten minutes.还有The meeting ended half an hour ago.保持原意The meeting _____ _____ ______for half hour.

问题描述:

The film started ten minutes ago.保持原意 The meeting _____ _____ _____for ten minutes.
还有The meeting ended half an hour ago.保持原意
The meeting _____ _____ ______for half hour.

The film started ten minutes ago.保持原意 The film _has_ _been_ _on_ for ten minutes.
The meeting ended half an hour ago.保持原意 The meeting _has_ _been_ _over_ for half hour.