練習題的含義有狹義與廣義之分。從狹義上講，練習題是以鞏固學習效果爲目的要求解答的問題；從廣義上講，練習題是指以反覆學習、實踐，以求熟練爲目的的問題，包括生活中遇到的麻煩、難題等。下面是九年級英語unit3同步練習，請參考！
section a
ⅰ.根據句意和漢 語提示，填寫單詞或短語。
1. john got his driver’s __________(執照) last month.
2. we all __________(同意) with what you said just now.
3. don’t ask such a __________(愚蠢的) question.
4. i can’t go. he’ll go __________(代替) me.
5. i’m not allowed to ____________(熬夜) too late.
ⅱ.根據句意，用括號內所給單詞的.適當形式填空。
1. teenagers shouldn’t get their ears _________(pierce).
2. sixteen-year-olds should not be _________(allow) to drive.
3. how many magazines can be _________(borrow) in the library every week?
4. i _________(agree) with you — i t hink it’s a bad idea.
5. he often plays soccer with his friends instead of _______(play) computer games at home.
ⅲ.下列各句中均有一處錯誤，請指出並改正。
1. three-year-olds is too yo ung to dress themselves. ___________
2. the boy is not enough old to be a volunteer. ___________
3. you can’t allowed to go boating today. ___________
4. the teachers come from england. so are the students. ___________
5. i’m not allowed to go out on school nights too. _____________
section b & self check
ⅰ.根據句意和首字母提示，填寫單詞。
1. have you made any plans for yo ur s_________ this term?
2. thank you for r_________ to my e-mail.
3. tony is a m___________ of the school music club.
4. i am so s__________ that i can hardly keep my eyes open.
5. today our english teacher told us about one of his unusual e_________.
ⅱ.選擇合適的單詞，並用其適當形式完成句子。
sleep, asl eep, sleepy
1. when did you go to ________ last night?
2. my sister fell ________ when listening to music.
3. i can’t go on working because i feel very ________.
reply, answer
4. i w rote to him many times, but he never _______ to my letters.
5. who can _______ the teacher’s question?
ⅲ.根據句意，從方框內選擇合適的短語並用其適當形式完成句子。
at present, the other day, learn from, concentrate on, be strict with
1. the students went climbing __________.
2. i’m too busy. i’m afraid i can’t go with you _________.
3. we can’t ___________ my work when we are hungry.
4. our english teacher _________ always ________ us.
5. he often helps me and i have _______ a lot _______ him.
ⅳ.根據漢語提示，完成下列句子，每空一詞。
1．吃水果對健康有益處。
eating fruit _______ _______ _______ our health.
2．我們今天放假一天。
we _______ ________ ________ ________ today.
longer vacations would give us time _______ _______ ________ like volunteering.
