On the morning of October 12, 1492, Christopher Columbus and his crew came to the shores of the Caribbean islands, mistakenly believing they ________ in Southeast Asia.
There was a time ______ I thought my dad didn’t know a thing about being a good father.
Across China, ordinary people are becoming more and more ______ of the issue of environmental protection.
At the beginning of a speech, it is very important to grab the audience’s attention and make them interested in ______ you have to say.
China is seeing ______ growing trend in the number of people owning pets and ______ recent survey finds that one in 13 Chinese now keep animals.
— Are you cleaning my room, Serena? — ______. I can’t bear seeing your room in a mess!