用所给词的正确形式填空.

1. My pen pal            (live) in Australia.

2. They are                (Japan).

3. There              (not be) any orange in the glass.

4. Children enjoy               (swim) in summer.

5. Is this the              (begin) of the garden tour?

6. A pay phone is a place            (make) a telephone call.

7. Let me            (help) you with your English.

8. The supermarket is on             (five) Avenue.

9.            (take) a taxi from the airport.

10. They have fun              (play) basketball on weekends.

下列哪种维生素衍生出了Tpp（）。

A.微生物B1

B.微生物B2

C.微生物B5

D.泛酸

E.生物素