_____ scores of times, but he still couldn’t understand it.
| A．Having explained | B．Having been explained |
| C．Though it was explained | D．It was explained |
—Why don’t we choose that road to save time?
—The bridge to it __________.
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
Don’t be so upset. It won’t be ___________ your children can return to school again.
| A．long before | B．long ago | C．before long | D．long |
Who would you rather __________ the report instead of you ?
| A．write | B．have written | C．have write | D．have to write |
It was a pity that he __________ blind, but to the joy of his family, his dream of becoming a musician __________ true at last.
| A．came; came | B．went; went | C．came; went | D．went; came |
．__________ has been announced, we shall have our final exam next month.
| A．As | B．It | C．That | D．What |