如今，很多城市出现了一种绿色出行方式――共享单车（bike-sharing），它因环保、便捷而备受青睐，但同时也引发了一些问题。请你根据提示以＂Bike-sharing＂为题写一篇英语短文，表达自己的看法和建议。

要点提示：

注意：

1. 短文应包括以上要点，可适当发挥，以使行文连贯；

2. 文中不得出现真实的人名、校名及地名；

3. 词数：80-100（文章开头已给出，不计入总词数）。

Bike-sharing

Today, as a greener means of transportation, bike-sharing is becoming more and more popular in many cities. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

---This is _____ film I have seen twice.

--- I agree. I’ve never seen ______ more interesting one.

A. a, the B. the, the C. the, a D. a, a

---I________ stay up late.

---Really? I didn’t. But I __________working in the night now.

A. used to, used to B. was used to, used to

C. used to, am used to D. was used to, am used to

_______ have you known the city? For five years.

A. How long B. How often

C. How many D. How much

I _____ the book for two weeks. I must return it to the school library.

A. borrow B. have borrowed C. kept D. have kept

The old man lives in a house, but he doesn't feel .

A. alone; alone; lonely B. lonely; lonely; alone

C. alone; lonely; lonely D. alone; lonely; alone

--- Can I see the headmaster at the moment, please ?

--- I’m afraid not. He _______out. He _____in 10 minutes.

A. goes; comes B. gone; came

C. will go; will come D. has gone; will come back

--- Have you ever been to Hainan Island? -- Yes, ________ already.

A. sometimes B. some time C. sometime D. some times

_________ great fun it is! And ______ good time I’m having!

A. What a ; what B. What; what a C. How a; how D. How; how a

--- He’s just come back from work, _______? - _______. He won’t come back until tomorrow.

A. hasn’t he; Yes, he has B. hasn’t he; No, he hasn’t

C. isn’t he; Yes, he, is D. isn’t he; No, he isn’t