—Dad,must we wait until the light becomes green?—Yes,I’m afraid we________.That’s the traffic rule.
It’s too dark. I ________ go home.
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.