Charles is generally considered ________ the first computer.

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You ________ by the fire if you go to your room to collect your things.

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Water exists ________ ice, snow, steam, etc.

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I can't do it myself. The job is ________ me.

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You can eat food free in my restaurant _____ you like.

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A．whenever　　　　　　B．wherever

C．whatever　　　　　　D．however

Don't touch the hot pan, or else you'll get ________.

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It ________ have snowed last night, ________ it?

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Why! I have nothing to confess. _____ you want me to say?

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A．What is it that　　　　　　B．What it is that

C．How is it that　　　　　　D．How it is that

Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by a lion.

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A．when　　　　　　B．while

C．since　　　　　　D．once

People have begun to stop factories and cars ________ poisonous gases into the air.

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