What’s yourname, please— Robert Thomas Brown. You cancall me Robert.

To be great, you must be smart, confident, and, _____, honest [ ]

下列各句中，划线的成语使用恰当的一项是（ ）

Did you look up the time of trainsto New York — Yes, but the early train has beencancelled _______ the heavy fog.

We’ve had a good start, but next, more work needs ________ to achieve the final success.[ ]