Would you like to come to my house for dinner— I’d love to. ____ I have lots of work to do.

My uncle ________ a worker, but now he _______in an office.

I usually sleep with the window open it’s very cold.

ou go outing with your sisters, you must see to ________ that they are safe.

Jack, do you know the answer ______ this question It’s too difficult for me.— Sorry, I don’t know. You can ask Jim for help. He is good at math.