. The committee ______ over the problem among themselves for two hours.
| A．has argued | B．has been arguing | C．have argued | D．have been arguing |
People try to avoid public transportation delays by using their own cars, and this ____ creates further problems.
| A．in turn | B．on contrary | C．in return | D．by turns |
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
| A．other than | B．or rather | C．rather than | D．more than |
______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．What | D．It |
It was___he said___disappointed me.
| A．what, that | B．that, that | C．what, what | D．that, what |
I was deeply impressed with the man’s willingness ______.
| A．by chance | B．to take chance | C．to take chances | D．taking chances |