I ( ) the novel twice. It's interesting. (read)
查看答案
She ( ) to Pairs, hasn't she? (go)Yes.How ( ) she ( ) there? (go)She ( ) there by air. (go)
So far, many countries ( ) their software programs. (develop)
Mr Chen ( ) up smoking last year. (give)
Mr. Chen ( ) up smoking since last year. (give)