Jack always brushes his teeth _____ he has eaten a meal.

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• and

• or

• after

• while

It started to rain _____ the children were playing in the garden.

• while

• or

• since

Let's go home ______ it gets dark.

• when

• but

• since

• until

Give this letter to Anne ______ you see her.

• until

• when

• since

• after

She has known Jack ____ he was a child.

• as

• when

• since

• after

The party began at 8 P.M. and lasted _______ midnight.

• while

• since

• until

• as

Alice looked unhappy _____ she walked in

• or

• as

• since

I asked for some bread _____ butter.

• as

• when

• and

• until

Sarah is a good singer _____ a poor dancer.

• after

• until

• as

• but

Are you going by train _____ by bus?

• or

• while

• since

• as