There has been__________ accidents on this part of road.

Will the foreigners have any problems talking with Chinese people in China—I don’t think so. Now ______ the young ______ the old are learning to speak English.

下列各句中，没有语病的一句是（ ）

__________ you ________ your book to the library– Yes. I returned it yesterday.

It is reported that a bus went out of__________ control on a highway ________ south of the city lastnight