单项选择题A.He has just started to teach piano lessons.B.He seldom takes things seriously.C.He is very proud of his piano skills.D.He usually understates his achievements.
单项选择题In the last paragraph, the phrase took to could be best replaced by which of the following
单项选择题A.They are rather reserved.B.They are rather patriotic.C.They cared little about the franc.D.They regarded the franc as a symbol of their national sovereignty.
单项选择题【B2】()
A.immuneB.usedC.accustomedD.neutral
单项选择题Arctic explorers may catch colds when________.