Tea _______ to Korea and Japan during the 6th and 7th centuries. A. brought B. was brought C. Bring
--_______ not very difficult for us young people _______ English. --So let’s study hard.
Sichuan is __________ China.
Xiao Ling is very ________ English.
They live in a village _______ the coast.
China ________a population of 1.3 billion.