Jack is sort of nervous as his examination results _________ to his parents in three days.
A．were sent B．are sent
C．have been sent D．will be sent
__________ ups and downs in the past four years，Bob finally succeeded in extending his business overseas.
A．Experienced B．To experience
C．Having experienced D．Experiencing
Some experts believe ________ our personalities are largely determined by genetic factors.
A．that B．whether C．what D．how
—Did you watch the live broadcast of China’s military parade on September，3rd？
—It’s a pity that I missed it．I ________ to New York then.
A．would fly B．flew C．was flying D．have flown
When I asked if __________ would help me，Tony was the first to volunteer.
A．everyone B．none C．anyone D．all
The hikers made marks on the way ________ they wouldn’t get lost in the mountain.
A．as if B．so that C．even though D．in case
