By the middle of the 21st century, the vastmajority of the world’s population _____ in cities rather than in the country.

If you are traveling_ thecustoms are really foreign to your own，please do asthe Romans do.

mits of a person’s intelligence, generallyspeaking, are fixed at birth, but ________he reaches these limits will dependon his environment

Who has a dictionary, childrenI have , Ms Brown.

It’s very not outside. Why don’t you stayat home