赞题库-背景图

单项选择题

We must ______ on water during the dry season.

A．economical
B．economize
C．economy
D．economically

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热门试题

单项选择题Death at last ______ the woman patient from her pain.

A．got rid of
B．relieved
C．released
D．left out

单项选择题Swedish is the ______ language of most Swedes.

A．natural
B．native
C．home
D．mother