赞题库-背景图

单项选择题

In 1984, President Ronald Reagan proposed that the United States ______ a launch laboratory for a new era of space exploration.

A．construct
B．constructs
C．constructed
D．will construct

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热门试题

单项选择题【C6】

A．worse
B．better
C．easier
D．harder

单项选择题【C5】

A．joke
B．purpose
C．case
D．example