Mark _____while he _____ up and down.

Hurry up! Mark and Carl ______ us.

Mark: Why do you wake up so early? Jack: I don’t want to risk_______.

Mark Twain’s ______ tells a story of his boyhood ambitious to become a river boat pilot, up and down the Mississippi.

Mark _____while he _____ up and down. A: falls ... is jumping B: fell ... was jumping C: was falling ... was jumping D: felt ... was jumping

Guess the meaning of the underlined word in each sentence and choose the right word from the four choices to replace it. 1 Mark is a resolute man. Once he makes up his mind to do something, he won’t give it up halfway.

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Marks on transport packages are classified according to their purpose A: Transport mark B: Indicative mark C: Warning mark D: Packing mark

Safety mark and protective mark refer to A: Transport mark B: Shipping packing mark C: Indicator sign D: warning sign

Mark's latest work the learning theories of the 1980s as well as his own experience in teaching English to foreigners. A: built on B: left out C: brought up D: drew on