d. from the 1800s to 1960s 为正确选项。 解题思路:then in the early 1800s the world started to change...people didn’t h**e to explore much any more;by the 1960s most people could expect to live to be at least 60...
h**e you any questions?”这个h**e的意思是有,是实意动词do you h**e any questions这个h**e的意思是有,也是实意动词而do才是助动词h**e只有在实意动词时,意思才为有h**e在做情态动词时,充当的是助动词,无实际意义1,动词,“有”的意思。i h**e a book。我有一本书。do you h**e a book?i don’t h**e a...
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