.The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.

_____ is not only what you do, but also how you do it that makes the difference.

The meeting was expected to start at 9 o'clock but the manager didn't turn up ______ twenty minutes later.

I can’t thank you too much for your kindness because without your help I        have won the first prize in the speech contest．

Is this the reason__________at the meeting for his carelessness in his work?