单项选择题A.Beginning.B.Intermediate.C.Advanced.D.It s hard to say.
单项选择题A.Global warming in Antarctica.B.Penguins in Antarctica.C.Tourism in Antarctica.D.Environmental protection in Antarctica.
单项选择题A.Before 8 p.m.B.After 8 p.m.C.Before 9 a.m.D.Between 9 and 9:30 a.m.
单项选择题A.He wants to find a partner to learn English with.B.He wants to find a host family to live with.C.He wants to register for a university course.D.He wants to extend his permit.