“Li Ming, ________ your homework first, and you can watch TV for 30 minutes.” said his mum.
does
did
do
I saw Sam __________ football when I passed the playground.
There is so much rubbish.Could you ____________?
He used to _______ up late, now he is used to __________ up early.
We’ll go to the park if it ___________ tomorrow.
We like water _______ nothing in it.