1．I'm sorry the rooms are all booked out today．That is to say, there's no room _______ for the moment．
A．useful B．available C．extra D．spare
2．Peter has been out of work for half a year, so he wants to ______a job in this company．
A．prepare for B．apply for C．wait for D．care for
3．Allow children the space to voice their opinions, ____they are different from your own．
A．until B．even if C．unless D．as though
4．The boy will make a lot of trouble when __________ alone．
A．leaving B．leave C．left D．being left
5．Where's the book I gave you? What ________ it?
A．did you do with B．have you done with
C．had you done with D．do you do with