问题详情：
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Can vegetables be planted in winter? Yes. But a greenhouse must 1 built first. The greenhouse should be 2 of glass. A large greenhouse may be 10 metres 3 , 3 metres 4 and 2.5 metres high. The sunshine can reach the vegetables 5 the glass. The wind and the cold air can be 6 from getting into it. The air 7 the greenhouse is always warm. More and 8 greenhouses are being built all over the world. All 9 of vegetables can be brought on to our dinner table 10 winter.
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ugh
ped de s
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