what would you suggest the tourists （do）?为什么这里用do

what would you like What would you do? what would you recommend what would you say what would you like? What would you like翻译 What size would you like? what would you like____(have) What would you have done What would you like fordinner? What would you like() it? What would you like to what would you like_______(buy)? What would you like breakfast? What would you have done 填空 What ( ) would you like? What would you like-----it? What would you like it?