________a US visitor visa twice , the young man finally gave up his hope of
going to America to Christmas Day.
| A．Having been refused | B．Being refused |
| C．Having refused | D．To be refused |
–Tom, what’s the matter with you? You look so worn out!
--Nothing serious. I ____ my new house all the day and I am afraid I won’t finish until tomorrow afternoon.
| A．have whitewashed | B．am whitewashing |
| C．have been whitewashing | D．shall be whitewashing |
Confronted with the complex international situation, we need a foreign policy that is more ____.
| A．symbolic | B．confidential | C．controversial | D．flexible |
The incomes of skilled workers went up. ____, unskilled workers saw their earnings fall.
| A．Meanwhile | B．Moreover | C．Therefore | D．Otherwise |
–Mom, I will send you a gift for your birthday, ____ beyond your imagination.
--Oh, dear, thanks.
| A．which | B．what | C．the one | D．something |
____ the machine, the engineers paid much attention to the noise from it.
| A．Having examined | B．Being examined | C．Examining | D．Examined |