单项选择题

It is believed that plants need ______.

A．extra water
B．more sunlight
C．more nutrient
D．enough warmth
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单项选择题
This article is primarily about ______.
A．growing indoor plants
B．growing tropical plants
C．making containers for plants
D．choosing appropriate containers for indoor plants
单项选择题
The expression esthetic qualities might have something to do with the ______ of the containers.
A．size and shape
B．drainage and light
C．attractiveness and decorative value
D．availability only
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