I think you should add some more salt to this dish, it's not ________.

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Do you remember the trees which ________ by us last spring?

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My mother told me that my homework must ________ on time.

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The worker came up with a good solution__________.

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Yesterday I took Tom's schoolbag home ________.

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Our classroom ________ every evening

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Keys ________ used for ________ the doors.

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This machine was invented in ________ century in Germany.

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--When shall we meet again next week ?

--________ day is possible. It's no problem with me.

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I agree ________ most of what you said.

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