I went to see Professor Johnson, only ______ that he had left the city the night before.

Modern technology has brought us so much convenience–we can now do many thingsThroughwe call the Internet

You should ____ the customers some tea before meals.—-But they said they couldn`t wait to eat.

Lin Tao’s spoken English is very good.—– _______. He often talks withforeigners.

Robert Brown comes from America. Robert is his ____name and Brown is his____name.