If _____ carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |
Without his help, we_______ such rapid progress .
| A．don’t make | B．would not make |
| C．didn’t make | D．would not have made |
She likes reading novels with happy_______.
| A．ends | B．endings | C．results | D．ending |
______fired , your health care and other benefits will not be immediately cut off.
| A．Would you be | B．Should you be |
| C．Could you be | D．Might you be |
---We _____ gas. I’m afraid we can’t go much further.
----I know there’s a gas station ahead. Sure it will last us till we get there.
| A．run out | B．are running out |
| C．are running out of | D．have run out of |
_______that his son was out of danger, he fell asleep at ease after two sleepless nights.
| A．Convinced | B．Convincing |
| C．To convince | D．Having convinced |