---Does_______ have a dog?---Yes, I have a dog. She's nice to_______.
----Pardon? I didn’t hear you just now.---- I asked_______________________.
The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
No free plastic bag in the supermarket helps to _____ white pollution.
–Would you like to food and clothes to the old at a home for the elderly with me?–Of course I would. It’s very meaningful.
We _____ walk in the park after supper, talking about all _____ we were interested in.