. Do what you think is right, ______ you will gain a surprising happy ending.
| A．and | B．but | C．before | D．/ |
She stepped into the bedroom quietly_________she might wake up her roommates.
| A．for fear that | B．so long as | C．on condition that | D．in order that |
—He _____to the meeting. Have you informed him of it?
—Sorry. I______to.
| A．hasn’t come; am going |
| B．didn’t come; have forgotten |
| C．hasn’t come; forgot |
| D．doesn’t come; will have |
It is not enough only ______the rules of grammar if you want to learn English well.
| A．keeping in the mind | B．to keep in mind |
| C．to keep in your mind | D．keeping in your mind |
He ______the person referred to be put in prison.
| A．said | B．demanded | C．agreed | D．thought |
______you I owe a thousand apologies ________having doubted your ability.
| A．For; to | B．To; for | C．For; for | D．To; to |