He works in China now, But he ______in Africa for eight years

I went to Qianfo Hill __________. And it was reallycrowded.—So did I .

Studies show that people are more ________ to suffer from back problems if they always sit before computer screens for long hours.[ ]

When asked why he is so successful in his life, Rong Yiren said honesty is the ___________ cause of his success.[ ]

MrsWhite _______ dinner when her son came home.