nobody has seen him, everyone has heard of him. He is really famous, isn’t he?
---Would you like some bread? ---________. I am full.
---How is the vegetable salad ?---________. Nobody likes it.
I love fish very much, and I try to eat ________ once a week.
My brother likes fruit a lot and he eats it three ________ four times every week.
---Do you often ________ English books? ---Of course.