34．They told the students_________

A．light travels faster than sound                  B．the earth went round the sun

C．that if they could get any dinks                 D．whether they ate some food

33．It is difficult _________ a foreign language．

A．learn                  B．learning              C．to learn                D．learned

32．I think Zhang Hong _________be in the room because the light is on．

A．can                   B．may                  C．can't                D．must

31．What Tom did made his mother_________

A．be angry             B．angry                  C．to be angry          D．to angry

30．There will be _________water and_________ trees in100 years, how can we live?

A．little， fewer    B．less，less               C．less，fewer           D．more，fewer

29．Children are always_________ in _________ stories．

A．interesting, interesting                             B．interested, interesting

C．interested, interested                               D．interesting, interested