-----This returned Chinese scholar has become one of the top experts in this field.-----Yes, I know him very well. He _____ in Africa with wild animals for eight years.
The country life he was used to_________ greatly since 1992.
We’ll have a picnic in the park this Sunday ________ it rains or it’s very cold.
To learn English well, we should find opportunities to hear English ______ as much as we can.
They were very ________ when they heard the ________ news that he would come back in two days.
They say that _______ a lot of water is good for you.