21.Twenty’tburinelnbers took part in the debate，most of them making speeches_________ to the chamman
A．to oppose
B．be oppose
C．opposing
D．opposed
22．She is_________ far themost active member in our group．
A．SO
B．as
C．by
D．in
23．The professor requeststhat we____the term papers by the end of this month．
A．hand in
B．will have handed in
C．to hand in
D．will hand in
24．Michael failed the exam．He have spent so much time playing Computer games and chat．ting online．
A．mustn’t
B．couldn’t
C．wouldn’t
D．shouldn't
25-Hismother asks him to do morning exereises，but he is not USed to——early in the morning．
A．get up
B．getting uP
C．be gotten up
D．being gotten up
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