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11、George took off his jacket, rolled up his sleeves and pushed is right arm through the drain
cover.
系列的动词构成平行结构：take off, rolled up, push
roll vi.滚动 vt.滚动
-- The pencil rolled(vi.) under the table.
-- He rolled(vt.) the ball towards the puppy.(puppy n.(常指未满一岁的)小狗, 小动物)
roll up 卷起, 挽起
-- We will need to roll up the carpet.
12、He could not find his fifty pence piece anywhere, and what is more, he could no get his arm out.
what 引导的插入语
What is more important. 更重要的是 / What is worse. 更糟糕的是
What is more. 更有甚者 / What is rare. 更罕见的是
-- He went to the meeting, and what is worse, insisted on speaking.
-- He is an interesting speaker, and what is more important, he knows his subject thoroughly.
他是一个有风趣的演说者，更重要的是他对他的话题了如指掌