--- Which of the shirts do you like better?--- I’ll take _______. They are very fashionable and cheap.

In American there are more households(户主) with pets than ____ with children.

Can you show me ____ pen?   This one is too expensive.

 It is so difficult a problem that ____ student in this class ____ work it out.

—Which day do you think is all right to our next meeting?—You make _______,_______ day is all the same to me.