—Where have you___________, Mike? I have ____________ to the library with my friends.
Hainan is a very good island. It’s the second ________ island in China.
The accident happened ________ a cold winter morning.
— ________ fine weather it is today! — Let’s go for a picnic.
—My father has decided to _________ smoking. —That’s good news for us.
Mr. Chen is handsome and kind and he is one of _________ in our school.