My uncle _________ in Taiwan for 20 years. Nowhe has settled down in mainland.

We were just talking about her when, at that ________ moment, she walked in.

George is going to talk about the geography of his country,but I’d rather he_____ more on its culture．[ ]

More than a dozen students in that school _______ abroad to study medicine last year.

The company has changed some of its working practices ________ complaints and criticism from the customers.