问题
选择题
How long has he _______ the phone? –For half an hpur..
A．on
B．made
C．been on
D．been in
答案
答案：C
根据后文回答For half an hpur..可知how long，据此应该为延续性动词连用，故选C
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How long has he _______ the phone? –For half an hpur..
A．on
B．made
C．been on
D．been in
答案：C
根据后文回答For half an hpur..可知how long，据此应该为延续性动词连用，故选C