1 . ________ (absorb)in painting, John didn’t notice evening approaching. （所给词的适当形式填空）

2 . When the man came in, gun in hand, we all stood there, ________(astonish).

3 . 词汇运用
1. Maybe someone has worked out that there really is something specific wrong with the   GPS _________ (equip).
2. ___________(compare) with his dramatic works, Yeats’s poems attract much admiring notice.
3. CHRONOLOGICA is a fascinating journey through time, from the foundation of Rome to the _________ (create) of the Internet.
4. Last ___________ (admit) to the library is at 5:00 pm, one hour before closing.
5. These sports attract few viewers, but the audience for these sports is ____________ (attract)   to certain advertisers.
6. The early morning sees the ___________ (arrive) of large trucks with tomatoes.
7. The International Conservation Souts is a worldwide ____________ (organize), so there must   be a camp near you.
8. I’d ___________(感激) it if you could let me know in advance whether or not you will come.
9. She is embarrassed but doesn’t give an____________ (explain) why she did this.
10. My first ___________(印象)of him was that he was a kind and thoughtful young man.
11. Trust is a learned___________(behave) that we gain from past experiences.
12. Before taking the medicine, you’d better read the __________(说明) carefully on the bottle.
13. We have to turn to an ___________(专家)in this field for help.
14. I stare at him, _________(astonish) by his stupidity.
15. China’s new four great ____________(invent) are high-speed rail, QR code payment, shared   bikes and online shopping.

4 . After his journey from abroad, Richard returned home,　　　.

A．exhausting	B．exhausted
C．being exhausted	D．having exhausted