II/ Choose the best answer:(3) 31. Beer_____for breakfast in England years ago. A. used be drunk B. used to be drunk C. used to drunk D. used to be drank 32. Children should ______ to respect their elders. A. be teach B. be taught C. be teaching D. statue 33. The facsimile _____ by Alexander Bain in 1843. A. is invented B. was invented C. invented D. has been invented 34. We stayed home _____ the cold weather. A. because B. due to C. therefore D. when 35- We have studied ................... seven o'clock.A. for B. at C. since D. to 36- He was born in England. English is his ................................. A. mother tongue B. first languageC. foreign language D. A and B are correct 37. It's dangerous ............ in this river. A. swim B. to swim C. swimming D. swam 38- The boy was .........by the dog A. bite B. bit C. bited D. bitten 39. Of the two subjects I am learning in English at school, physics is the ______. A. difficult B. more difficult C. most difficult D. more difficult than