— Iwonder why they’re late.

—They________ the train.

—Where ismy umbrella?

—Somebody ________ it away by mistake.

— Did Jimcome?

— I don’tknow. He ________ while I was out.

--- Did you have a good time at the party?

---Of course I did. As a matter of fact, I had such fun that time seemed to ________ so quickly.

— How do you think I can make up with Johnson?

— Set aside ______ you disagree and try to find ______ you have in common.

---The disease he suffers is not easy to cure.

---I know, but is he ________ better?

FriendsJoe Bloggs always had a cigarette(香煙)on his lips．He smoked while he read, while he looked at the television, and while he drank a cup of coffee．He smoked forty cigarettes a day, but he was happy．Joe's friend, Fred Brown, said to him,“It's very bad to smoke．”When Joe heard this, he started to worry and became thin．So he did not buy any more cigarettes．He became so thin he went to Fred for help．Fred said,“You must eat more．”So Joe did not smoke, but he ate chocolate(巧克力)，and he became very fat．Again he went to Fred for help．Fred said,“You must not eat chocolate．”So Joe stopped eating chocolate, but he went back to smoking cigarettes．He became thin again but he was not happy, because he still smoked．Sometimes Joe Bloggs wished Fred Brown was not his friend!

What is the writer trying to tell us with this story?

—Have youfinished designing the machine?

—________ finished but there’s still something to improve.