Tom should not be sent to carry out the task________，he hasn't had enough experience.
| A．for a start |
| B．by the way |
| C．on the other hand |
| D．sooner or later |
—John has put forward _______ most challenging question for us to answer.
—Yes, it really is. I have never heard _______ harder one.
| A．the; 不填 | B．不填; the | C．the; the | D．a; a |
I often have conversations with John over ______ telephone, while keep in touch with Tom by ______ letter.
| A．不填；the | B．不填；a | C．the；不填 | D．the; a |
The education of ______ young is always ______ hot and serious topic.
| A．不填, 不填 | B．the, a | C．不填, the | D．the, 不填 |
He is neither______ European, nor______ American. He is from______ Australia.
| A．a; a; / | B．a; an; the | C．a; an; / | D．an; an; / |
As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
| A．the, 不填 | B．不填，不填 | C．the, a | D．an, the |