What do you think of the movie Avatar？— Interesting It is _______ again

He waited until it was dark ____ nobody could see him clearly

Every year a flood of farmers arrive in Shenzhen for themoney-making jobs they before leavingtheir hometowns

We are happy to know that ourhead teacher will be _____ to headmaster

At last, we found ourselves at the foot of a hill with trees providing shade and ________ down to eat our picnic lunch