精选回答
1、she didn't go to bed until she had finished her work.她直到把工作做完之后才睡觉。
2、i have owned a puppy before.我以前养过一只小狗。
3、how long have you been working in this library？你在这家图书馆工作多久了？
4、she has been teaching in this school for ten years.她在这所学校教书已经10年了。
5、hardly had i reached the school when the bell rang.我一到学校，铃就响了。
6、his shoes are dirty.他的鞋子脏了。
7、i have been reading the novel.我一直在看这部小说。
8、i had thought i could pass the final examination but i failed.我估计我可以通过期末考试，但结果我没通过。
9、ive never ridden a horse.我从来没有骑过马。
10、i haven't eaten much chocolate recently.我最近没吃太多巧克力。
11、i have been reading a book these days.这几天我一直在看一本书。
12、have you ever been abroad？你出国过吗？
13、we have been working hard these days.这些天来，我们一直在努力工作。
14、we have been waiting for you for half an hour.我们已经等你半个小时了。
15、they have been building a bridge.他们一直在造一座桥。
16、how many times have you been to singapore？你去过新加坡几次？
17、amy has been playing her radio all morning.艾米整个上午一直开着她的收音机。
18、have you ever traveled by air？你坐飞机旅行过吗？
19、she lost her book.她丢失了她的书。
20、have you ever thrown anything on the ground？你有没有往地上扔过东西？
21、i have bad news. i have lost my job.有坏消息，我丢了工作了。
22、ive just lost my keys.我刚丢了钥匙。
23、this is the first time i've heard him sing.这是我第一次听他唱歌。
24、he is cleaning his shoes.他在清理他的鞋子。
25、he has been in the league for three years.他入团已三年了。
26、i have found my bag.我已经找到了我的书包。
27、i've been here for two weeks.我已经在这里呆了两周了。
28、i've played the piano.我已经弹过钢琴了。
29、my father always goes to work by bike.我父亲一向骑车上班。
30、i have been to the great wall twice.我曾经去过长城两次。
31、has anyone ever skied before？有人之前滑过水吗？
32、they are at home.他们在家里。
33、he has had three interviews this month.这个月他有三个面试了。
34、he has done a lot of work in the past two years.他在过去两年中他做了许多工作。
35、have you found your pen yet？你已找到你的钢笔了吗？
36、the rain stopped when i woke up.我醒来时雨已停了。
37、i think i sent the letter a week ago.我认为我一星期前就把信寄出去了。
38、how many songs has he learned so far？他到目前为止学了多少歌了？
39、i just copied all the new words.我刚抄写了所有的生词。
40、have you read this book？你已经读了这本书吗？
41、this is the first time i have been here.这是我第一次到这儿。
42、did i pick up the rubbish and throw it into the dustbin？我有没有把垃圾捡起来扔进垃圾筒呢？
43、i surf every day.我每天都冲浪。
44、i have read the novel.我看过这部小说了。
45、i have bought a new computer.我买了一台新电脑。
46、i've been doing my homework.我一直在做作业。
47、i know you came to see your father.我知道你来看你的爸爸。
48、i have done two part-time jobs.我已经做了两份兼职工作。
49、i am sorry i cant help you. jim have asked me to wait for him.抱歉我不能帮你。吉姆让我等他。
50、i've worked in the same job for the past 30 years.在过去的30年里，我一直在同一个工作岗位工作。
51、since when have you planted so many young trees？从什么时候开始你种植了这么多小树的？
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