2025年怎樣學好初中英語八年級英語上冊滬教版五四制
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A1 Complete the sentences with when, as, before, after or until. 用when, as, before, after或until完成句子。
8. We need to pass a test
before
we get a driver's licence.
9. You can eat the dessert
after
you finish your vegetables on the plate!
10. The baby cried
until
her mother picked her up.
答案：8. before
解析：“在拿到駕照之前我們需要通過考試”，before表示“在……之前”，符合邏輯，拿到駕照前要通過考試。
9. after
解析：“吃完盤子里的蔬菜之后你才能吃甜點”，after表示“在……之后”，符合語境。
10. until
解析：“嬰兒一直哭，直到她媽媽抱起她”，until表示“直到……為止”，即媽媽抱起她之前一直在哭，符合句意。
A2 Correct the mistake in each sentence. 仿照示例改正句子中的錯誤。
1. When I
finish
my homework, I will watch TV. → ________
2. She didn't go to bed until she
finished
her project. → ________
3. After he arrived, we
started
the meeting. → ________
4. I
will wait
here until the rain stops. → ________
5. Before the teacher came, the students
were
talking loudly. → ________
6. When he was young, he
played
basketball every day. → ________
答案：1. finish
解析：when引導的時間狀語從句，主句用一般將來時，從句用一般現在時，所以will finish改為finish。
2. finished
解析：until引導的時間狀語從句，主句用一般過去時，從句也用相應的過去時態，will finish改為finished。
3. started
解析：after引導的時間狀語從句，從句用一般過去時，主句也用一般過去時，start改為started。
4. will wait
解析：在 “until” 引導的時間狀語從句中，遵循 “主將從現” 的原則，即主句用一般將來時, wait改為will wait。
5. were
解析：before引導的時間狀語從句，從句用一般過去時，主句也用一般過去時，are改為were。
6. played
解析：when引導的時間狀語從句用一般過去時，主句也用一般過去時，plays改為played。
A3 Rewrite the sentences by using the given conjunctions. 仿照示例用所給連詞改寫句子。
1. The students cleaned the classroom. Then they went home. (after)
After the students cleaned the classroom, they went home.
2. I will finish my work. I will go to the park. (when)
________
3. The film will start. Turn off your phone. (before)
________
4. He stayed at the office. The meeting ended. (until)
________
5. I saw Lucy. I was getting on the underground train. (as)
________
6. The train left. We reached the platform. (after)
答案：2. When I finish my work, I will go to the park.
解析：用when連接，“當我完成工作時，我會去公園”，when引導時間狀語從句，主句用一般將來時，從句用一般現在時。
3. Turn off your phone before the film starts.
解析：用before連接，“在電影開始前，關掉你的手機”，before引導時間狀語從句，主句是祈使句，從句用一般現在時表將來。
4. He stayed at the office until the meeting ended.
解析：用until連接，“他待在辦公室直到會議結束”，until表示“直到……為止”。
5. I saw Lucy as I was getting on the underground train.
解析：用as連接，“當我正在上地鐵時，我看到了露西”，as表示“當……時”，強調動作同時進行。
6. After we reached the platform, the train left.
解析：用after連接，“在我們到達站臺之后，火車離開了”，after引導時間狀語從句，主句和從句都用一般過去時。
A4 Put the sentences into English. 翻譯下列句子。
1. 我做完作業后，會去騎自行車。
________
2. 直到媽媽回家，我才開始吃飯。
________
答案：1. After I finish my homework, I will go cycling.
解析：“做完作業后”用after引導時間狀語從句，“我會去騎自行車”主句用一般將來時，從句用一般現在時，“騎自行車”譯為go cycling。
2. I didn't start eating until my mother came home.
解析：“直到……才”用not...until...結構，“開始吃飯”譯為start eating，“媽媽回家”是過去發生的動作，用一般過去時came home，主句也用一般過去時，所以是I didn't start eating until my mother came home。
