Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.
| A．sense | B．view | C．means | D．idea |
—Would you mind if I borrowed your car just over the weekend?
—I'm sorry, but it's just not possible, because I ________ my mother this weekend.
| A．am visiting | B．have visited |
| C．was visiting | D．visited |
They ________ my ability to solve problems, but I have proved that they are all wrong.
| A．opposed | B．doubted |
| C．wondered | D．ignored |
My patience is ________. Don't keep me waiting any more.
| A．gathering up | B．breaking out |
| C．running out | D．keeping up |
Growing up ________ Michael Jordan was in his prime，Beijing native Wu You knew what he wanted to do.
| A．since | B．when |
| C．until | D．before |
It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.
| A．couldn't | B．mustn't |
| C．mightn't | D．wouldn't |