AThe couple could"t decide which flat they should choose at first.(保持原意)
问题描述:
AThe couple could"t decide which flat they should choose at first.(保持原意)
The couple could" decide which flat ( )( )at first.
答
to choose 不定式主动表被动 因为choose动作的逻辑主语the couple出现在句中,所以可以主动表被动!