介詞in-on-at及其練習(xí)附答案-預(yù)覽頁(yè)
【正文】 所學(xué)校教英語(yǔ)了。（3）表示“在中午、在夜晚、在周末”時(shí)，須用介詞at。 I got home at five thirty yesterday 。 。 What time do you get up on weekdays?你在平日什么時(shí)候起床？ I heard this story on Saturday 。 He went back to America on a summer 。They sometimes play games in the 。39。39。（3）表示“在某世紀(jì)”時(shí)，: This machine was invented in the eighteenth . Great changes took place in the twentieth .（4）表示“在某年代或特定世紀(jì)某年代”時(shí)，須用介詞in。 It often rains here in 。例如： She came to this city in 。 I will be back in a 。39。39。t watch TV too much in the 。 They left on a rainy 。t go to school on Saturday and 。 Mr Hu received a card on Teachers39。clock every day .他每天六點(diǎn)起床。 I think the shop is closed at this time of 。例如： At the age of nine ,the boy could swim ，這孩子就游泳游得很好了。 on B. at。 to B. at。 on B. on。 in B. to。 to。 for。 in。 on
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