There is no doubt _______ nearsightedness is a serious problem among the youth of our country.
| A．/ | B．which | C．whether | D．that |
The telegram has faded out in our life now, and gone with____ are telegraph operators.
| A．what | B．which | C．it | D．them |
When I was in the countryside, I ____ by the riverside every day.
| A．walked | B．was walking | C．walk | D．have walked |
____ that they are inexperienced, they have done a good job.
| A．Giving | B．To give | C．Given | D．If given |
The opening day of Expo 2010 Shanghai China we have been forward looking to_____ to arrive.
| A．being | B．be | C．is | D．will |
---You speak very good English. ---____.
| A．Thank you | B．No, not at all | C．My English is poor | D．I don't think so |