单项选择题
A committee was set up to_______the plans put forward b...
单项选择题A committee was set up to_______the plans put forward by Congress last year.
_______of the three sisters you choose to marry, you wi...
单项选择题_______of the three sisters you choose to marry, you will have a good wife.
Iron and steel expands when heated and_______when coole...
单项选择题Iron and steel expands when heated and_______when cooled.
