27、If facts _________ in IOgiCaI groups, PeOPIe WilI UnderStand and remember them better.

A、give

B、are given

C、WilI give

D、WilI be given

28、- I Clidn, t know you Were SO good at Beijing Opera、-Thanks、I _________ Beijing OPera for SeVeraI years When I WaS a child.

A、have Iearned

B、had Iearned

C、am Iearning

D、Iearned

29、PaPer CUtS Of animals have been found in tombs

_____ d ate back OVerI,500 years

A、What

B、WhO

C、Where

D、WhiCh

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