There is nothing interesting　　 at present.

I didn’t do very well in the exam, and so I’m afraid of ___.

Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.

The fruit ______ fresh in his fruit stand(货摊) sells well. 

. __________ in Hangzhou station for two hours, the old man eventually caught the last train to go back to his home in Huangyan.