填入适当的词使短文意思完整 People have looked at the moon and 76poems for thousands of years but nobody

问题补充：

填入适当的词使短文意思完整

People have looked at the moon and 76poems for thousands of years,but nobody expected to go there _771961 when Yuri Gagarin made the first manned space flight.Then the Americans decided to send a man to the moon. Apollo 11 took off on 16 July.The journey 78four days.On 21 July Neil Armstrong _79the first man to walk on the moon.There were six manned missions to the moon between 1969 and 1972.We’ve learnt a lot about the moon. Nothing has _80 lived on the moon. Life on the moon won’t be easy. It will be difficult and dangerous.

76 7778 79 80 written

答案：

(答案→)written

解析：

【小题1】本题需要的是动词_又根据poems，可知答案为written

【小题2】not ···until表示直到···才，故选until

【小题3】took在本句的意思为花费的意思。

【小题4】became表示成为的意思，符合题意。

【小题5】ever,用在现在完成时，表示曾经的意思。