课时作业(二十) 必修4 unit 5 theme parks ⅰ.单项填空 1．(2013•南京三模)—sorry，it’s already 6 o’clock.i have to be off for an appointment. —ok.________. a．it couldn’t be better b．you really have me there c．let’s call it a day d．take your time 2．(2014•济南四校联考)as________tourist attraction，the summer palace does have________strong attraction to visitors from home and abroad. a．the；/ b．the；a
