It remains to be seen________the newly formed committee’s policy can be put into practice.
| A．that | B．which |
| C．what | D．whether |
— Robert is indeed a wise man.
— Oh, yes. How often I have regretted __________ his advice!
| A．to take | B．taking |
| C．not to take | D．not taking |
Leonardo da Vinci(1452-1519)__________ birds kept in cages in order to have the pleasure of setting them free.
| A．is said to be buying | B．is said to have bought |
| C．had said to buy | D．has said to have bought |
The children talked so loudly at dinner table that I had to struggle __________.
| A．to be heard | B．to have heard |
| C．hearing | D．being heard |
—The last one __________ pays the meal.
—Agreed!
| A．arrived | B．arrives |
| C．to arrive | D．arriving |
—It’s a long time since I saw my sister.
—__________ her this weekend?
| A．Why not visit | B．Why not to visit |
| C．Why not visiting | D．Why don’t visit |