The volunteers __ a lot of help to the community for nearly ten years.
| A．offered | B．will offer | C．are offering | D．have offered |
--- What’s the use of this kind of fuel(燃料) ?
--- It can make the train __________ fast.
| A．to go | B．going | C．went | D．go |
---Help yourself to some chicken , Jim . ---__________________
| A．Yes , please | B．You are welcome |
| C．Thank you | D．Yes , all right |
In our class, Andy is the __________ . He always makes everybody laugh .
| A．taller | B．shy |
| C．quietest | D．funniest |
---The classroom is not________ clean ______it was yesterday .
---Sorry, I forgot to clean it.
| A．as, as | B．so, so |
| C． as, so | D．more, than |
As(正如) the old ___________ goes, “Time waits for no man!”
| A．mirror | B．grade |
| C．saying | D．fact |