---So hard_ in the past few months that he has made great progress in English. ---I can see that, only a few mistakes _____ in this exam.
35. Don’t sit _____the corner of the desk. That’s impolite for a student.
34. Her clothes are very bright _____ colour.
33. The little boy is very clever _____ every subject.
32. When the Chinese delegation arrived at Vienna airport, they were received _____ cheers.
31. Einstein didn’t care for money. Once he used a check _____ $1000 as a bookmark and then he lost it.