—Could you spare me one minute, Bob? I have a favor to ask you.
—_____.
| A．It’s a pleasure | B．Go ahead | C．Help yourself | D．Ask, please |
“Tommy，run！Be quick！The house is on fire！”the mother shouted，with ________ clearly in her voice.
| A．anger | B．rudeness |
| C．regret | D．panic |
Teachers have to constantly update their knowledge in order to maintain their professional ________.
| A．consequence | B．independence |
| C．competence | D．intelligence |
The warning we were given as children ________ an apple a day keeps the doctor away may，in fact，have a scientific explanation.
| A．that | B．who | C．where | D．which |
WalMart，the world's largest retailer(零售商)，sells in three months ________ the numbertwo retailer Home Depot sells in a year.
| A．that | B．which | C．when | D．what |
Professor Tang didn't give us a speech today.It was ________ he had a traffic accident on the way to school.
| A．that | B．when | C．why | D．because |