Could you tell me ______ it takes to go from here to Beijing by air? —About 50 minutes.[ ]

Managers in excellent companies have a strong _____ for doing things rather than talking about situations.

Is this book yours ? – No it’s his , is inbag .

Can I use your bike this afternoon?_______ is under repair.－No problem. Here’s the key.

I don’t know _______.Can you tell me________?