I held the bird in my hand and felt its heart ______.

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Some people’s greatest pleasure is ______.

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Can you imagine ______ on a desert island?

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We usually plant cabbages________ spring.

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A．at

B．in

The powder will make the cabbage plants________ big and strong.

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A．grow

B．to grow

I will try to persuade her ______ part in the competition.

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Not only the artificial hill (假山) but also the newly - built bridge ________ the stream ________ the park more beautiful.

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In the forest, you can see different birds ________ in the sky.

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The trip was difficult and dangerous. ________, we had a kind and experienced guide.

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I ________ until they have returned .

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