Though golden weeks over the past eight years have______huge returns for China’s tourism industry，voices ______ cancellation of the nationwide holidays are becoming even stronger.

_________ enough evidence, the police gave up charging the man with murder.

Einstein liked Bose’s paper so much that he ________ his own work and translated it into German.

Now you can see how serious the situation is !——– Yes. We _____something before it got so bad .

They____ have arrived at lunchtime but their flight was delayed.[ ]