31. We must ___ be there at 8:00. to. of b. to c. no preposition required 

32. I want to eat ice cream. to. what B. from c. no preposition required 

33. Do you think ___ travel to Spain? to. to b. that c. no preposition required 

34. She can't ___ speak Spanish well. to. like B. in c. no preposition required

 35. Let's ___ go out tonight. to. in b. to c. no preposition required