选择：He spent the whole day,( )in his study,( )a speech.He spent the whole day,( )in his study,( )a speech.locked;prepared?being locked;preparing?locked;preparing?locking;prepared?
问题描述：
选择：He spent the whole day,( )in his study,( )a speech.
He spent the whole day,( )in his study,( )a speech.
locked;prepared?
being locked;preparing?
locked;preparing?
locking;prepared?
答
locked, preparing
答
C locked in his study做状语,可以提到句首,不受spent的影响,真正受影响的是preparing