--- Will he come? --- I am not sure ___he will come, but I never doubt ______he will help us.
---Would you like some bread? --- ________. I’m 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.