Bows and arrows have _______ been out of use.
| A．long after | B．long before | C．before long | D．long since |
Every evening after dinner, if not from work, I will spend some time walking my dog.
| A．being tired | B．tiring | C．tired | D．to be tired |
Doctors recommend that all children ________ vaccinated against measles(麻疹).
| A．should | B．could be | C．are | D．be |
Practising Chinese kung fu can not only one’s strength, but also develop one’s character.
| A．bring up | B．take up | C．build up | D．pull up |
The government claims that the economy is improving, but this survey suggests ________.
| A．moreover | B．therefore | C．otherwise | D．meanwhile |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |