“how”和“what”以及时间状语的语法问题.

1.how提问状语,而what是提问宾语.2how.感叹形容词或者副词,而what是感叹名词.in two hours 在两个小时内 after two hours 两个小时后 two hours later 两个小时后 fou two hours两个小时 七点四十五 Seven forty-five 或者eight to fifteen 八点半 At half past eight 或者eight thirty 半小时 Half an hour 一个半小时 One and a half hours 两个半小时 Two and a half hours