We all consider ______ significant that we should cancel the order immediately.
| A．how | B．which | C．this | D．it |
He had an accident ______ to work and was badly injured．
| A．driving | B．driven | C．to drive | D．drove |
Hard work ______ success while failure often ______ laziness.
| A．lies in; leads to | B．leads to; lies in |
| C．leads to; depends on | D．depends on; leads to |
It is not how much we do but how much love we put into what we do _______ matters.
| A．who | B．which | C．whom | D．that |
Under no circumstances _________ lend Paul any money.
| A．you should | B．you shouldn’t | C．should you | D．should you not |
------ Why does the lake smell terrible?
------ Because large quantities of water _________.
| A．have been polluted | B．has polluted |
| C．have polluted | D．has been polluted |