It is reported that most of the people who are drugs used to be wealthy.

下列句子中，没有语病的一项是( )

She was said ____________abroad, but I did not know which country she studied in.[ ]

nping’s report, ” a smile on his face, hecontinued, “_____ to several hot topics, discusses how to increase farmers’income.”

What’s the use of this kind of fuel(燃料) — It can make the train __________ fast.