If you need someone with professional computer knowledge, to Joe.
Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.
What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.
The traffic was _________when the car accident happened .
—Guess what ! I have got A for my term paper .—Great ! You ________ read widely and put a lot of work into it .
________around Tiananmen Square , the tourists were taken to see the Palace Museum.