—I didn’t know the answer in the math class. What about you?—I don’t, _______.
She has to help her mom ________ dinner today.
We have to ________ uniforms at school.
We have to get to the bus station ________ 6 o’clock, or we’ll be late.
She was ________ tired because she did ________ housework today.
Mrs. White asked her son ________ with water.