You________ let the children play in the street. It’s too dangerous. A. should B. shouldn’t C. must
I have a computer,________I don’t play computer games on it.
I’m in No.5 Middle School, but my brother ______.
---______, Jack. Can I use your ruler? ---Sure.
.---_____my dog?----It’s under the chair.
I _____my ID card. I must find it.