选词填空。(25分)

（1）—________ art classes do you have a week?
—We have three.
（2）—________ do you get up?
—I get up at 6 o'clock.
（3）—________ is that boy?
—He is my brother.
（4）—________ do you have English classes?
—Twice a week.
（5）—________ are those?
—They are foals.