Don’t forget _____ the door when youleave.

______ earlier online survey shows that ______quantity of Chinese believe Yuan Longping deserves a Nobel Peace Prize for hiscontribution to fighting world hunger

The railway bridge ___________ by 2015 willprovide a faster route to transport goods．

The two strangers have been talking in thepark for a long time as though they ______old friends

Jack wasn’t sayinganything, but the teacher smiled at him____he had done something veryclever.[ ]