If you keep learning English for half an hour each day，your English will be gradually improved.（ ）
| A． |
at least |
B． |
at present |
C． |
at once |
D． |
at first |
—__________ do you swim? —Twice a week.
| A．How long | B．How many times | C．What time | D．How often |
Uncle __________ exercises. It’s not good for his health.
| A．sometimes | B．seldom | C．often | D．always |
At school Kitty is a __________ student. She is good at all her lessons.
| A．bad | B．top | C．tall | D．healthy |
— Would you like some bread? — ________________. I’m hungry.
| A．Yes, please | B．No, thanks | C．Yes, I would | D．No, I won’t. |
— Can I have ________cakes, please?
— Sorry, I don’t have ________cakes in my fridge.
| A．some, any | B．any, any | C．any, some | D．some, some |