38 There is a dog over there Look, out______ Be careful!

To be able to catch up with the other students, he needs ___ hard work; he needs your encouragement, too.

do you think of store shopping in the future—- Personally, I think it will exist along with homeshopping but___________.

Would you like _______bread No, thank you. I don’t want to eat ______ at the moment.

He________ if he is free.