. The murderer was brought in, with his hands ______ behind his back.
| A．to be tied | B．being tied | C．tied | D．having tied |
A good advertisement should ____ the consumers and direct their attention to the product.
| A．absorb | B．attach | C．call | D．attract |
In Beijing Olympics, Michael Phelps (迈克尔.菲尔普斯) swam into Olympic history, ____ the first athlete ____ the most gold medals ever.
| A．became; to win | B．becoming; winning |
| C．becoming; to win | D．to become; to win |
I don’t think the experiment is ______ failure, because it has provided us with _____ valuable experience for our future tests.
| A．不填; 不填 | B．a; 不填 | C．a ; a | D．不填; a |
____ you know your potential（潜力）, you have to rely on many other people to get to where you are.
| A．While | B．Since | C．If | D．Where |
It was not until Maggie had arrived at her office _____ her appointment with the doctor.
| A．did she remember | B．had she remembered |
| C．when she remembered | D．that she remembered |