单项选择题In the animal kingdom the struggle for existence
问答题将but改成and。从上下文的意思看,此句前后之间不存在转折关系,而是递进关系。
填空题other works
单项选择题At the beginning the author seems to indicate that Harlem
单项选择题Before Sunday’’s vote, Hezbollah had ________legislative seats in south Lebanon.