—________ does it take to go to Hangzhou from Wenzhou by train?—It usually takes about three hours.

 —Can you help me with the bike?—Sorry, I’m a little busy now. Read the instruction. It______, “Do it yourself”.

         we deal with our problems, we can easily become unhappy.

---Can you tell me something about Liu Yang?---Oh, she _____ the first Chinese woman astronaut to get into space.

- Excuse me, may I keep the book a little longer?  - Sorry. You ________ return it today.