单项选择题
A.out B.up C.over D.off
A.to adapt B.adapt C.adapting D.to adapt to
A.up B.out C.down D.off
A.ever know B.ever knew C.have ever known D.are knowing
A.all B.of C.both D.one of
A.better B.the best C.good D.best
A.always B.often C.ever D.usually
A.concerts B.a concert C.the concert D.concert
A.which leading B.leads C.which led D.leading
A.expanding B.expands C.expanded D.expand
A.drives B.drove C.driving D.driven