He was unhappy when he sold his guitar.After all, he ________ it for a very long time.
| A．has had | B．had had |
| C．has | D．had |
She just cannot make herself ________ though she tries hard.
| A．understand | B．understanding |
| C．understood | D．to understand |
On AIDS Day, the minister of Health Department demanded that the problems ______ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
He got up late and hurried to his office, _______ the breakfast untouched.
| A．left | B．to leave |
| C．leaving | D．having left |
I did very ______ the first time I took my entrance exam.
| A．poorly | B．poor |
| C．poverty | D．poorness |
You cannot accept an opinion ________ to you unless it is based on facts.
| A．offering | B．to offer |
| C．offered | D．having offered |