单项选择题

The biggest advantage of this new system is that ______.

A．it reduce the cost of recycling
B．it saves time and space
C．it saves money for people in high rises
D．it makes better use of the existing recovery equipment

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热门试题

单项选择题

Before dropping rubbish into the chute you have to ______.

A．lock the other floors' chute doors
B．check if the container is full
C．press the correct button
D．break up the rubbish

单项选择题

When he says You won't be for long the writer means that ______.

A．you'll soon be living in a cleaner building
B．rubbish chutes will become out of date before long
C．you won't wait long for your turn to recycle rubbish
D．it won't be long before you'll have to recycle your rubbish