Beijing is the capital of China and it is one of ______ cities in the world.
| A．big | B．bigger | C．biggest | D．the biggest |
—How often does your brother go swimming?
—________.
| A．Six days | B．Once a week | C．For two days | D．Three times |
I can’t learn math well. Can you give me some ________?
| A．problem | B．problems | C．advice | D．advices |
They are going to have a picnic _______ next week.
| A．sometime | B．some time | C．sometimes | D．some times |
There are about ________ students in our school.
| A．eight hundred | B．eight hundred of |
| C．eight hundreds | D．eight hundreds of |
—Do you like our English teacher?
—Yes. I think his class is very ________.
| A．interest | B．interests | C．interested | D．interesting |