I appreciate ______when she offered to help.
-Can you think of another good idea?-This is the best way I can imagine __________ the goal.
A dinner party was being held in __________ of the great achievements she had made when I called her yesterday.
All his friends and relatives came to __________ him on his daughter's being admitted to Tsinghua University.
My parents just called to say that they got __________ in a traffic jam.
-Why are you so late?-On my way to school, it __________ to me that I had left my English book home, so I had to fetch it.