I hope to visit your home some day.—

Scientists in some countries have done a lot of work to _____ the moon.

He didn’t____ what I said because his mindwas on something else．

I heard Max sing just now. What beautiful voice!— That’s true. He also has good sense of humour.

eaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.