30.There is ___ knife and ____ fork on the table.

b. 选择填空：

29. He likes playing ___ chess, while I like playing ____ cards.

28. The children are in ___ charge of the nurse and they all love her.

27.Many ___ scientist wants to be ____ second Newton.

26.The foreign guests were warmly welcomed at ___ Beijing Railway Station.

25.What do you usually have for _____ lunch at your factory?

24.We gave___ dinner in _____ honor of the foreign guests.

23.Don’t tell ___ lie. Tell ____ truth.

22.I bought ____ new bike. _____ bike has been borrowed by one of my friend.

21.Beyond ____ stars, the astronaut saw nothing but ___ space.