They go to school ________.
| A．take a boat | B．by a boat | C．by boats | D．by boat |
— Have you got John's letter?
—Yes, but I don't think his letter is worth _______.
| A．answering it | B．to answer it |
| C．answering | D．being answered |
I helped my grandparents with the housework.________ fun I had though I felt tired.
| A．How great | B．How a great |
| C．What great | D．What a great |
— What do you think of the white dress?
— I _______ its style, but I _______ not choose it because of its price.
| A．would rather; prefer | B．prefer; prefer |
| C．would rather; would rather | D．prefer; would rather |
—It’s dangerous to walk across the street carelessly.
—You’re right. We can’t be ________ careful while crossing the street.
| A．so | B．very | C．too | D．more |
_______ of them knows French, so I have to ask a fourth person for help.
| A．Neither | B．Either | C．Both | D．None |