At the root of volunteering is____ idea that one person may have____ ability to offer services that can help other people.
| A．the, the | B．不填; an | C．an ; 不填 | D．不填，the |
— I’ll come to see your performance at 9:00 tomorrow evening.
— Sorry, but by then my performance _______ and I ______ reporters in the meeting room.
| A．will have ended; will be meeting | B．will end; will meet |
| C．will be ended; am going to meet | D．will have ended; will meet |
Linda, make sure the tables __________ before the guests arrive.
| A．be set | B．are set | C．set | D．are setting |
When I got to the checkout counter, I realized I didn’t have enough money, so I kept ______ I really needed and left the rest.
| A．which | B．that | C．what | D．where |
— Hey! Here is a message on my cell phone, telling me to send money to …
— Delete it! It’s a trick. Many a person _________ by such tricks.
| A．has been cheated | B．have been cheated |
| C．were cheated | D．was cheated |
. Teachers recommend parents ___ their children under 12 to ride bicycles to school for safety.
| A．not allow | B．do not allow | C．couldn’t allow | D．mustn’t allow |