【单选题】
、Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only ____ to his confusion.
【简答题】
Direction: Fill in the blanks with the words given below. Change the form if necessary.[hug; flatten; ancestor; amazing; solemnly; comfort; awful; desperately; uproot; cousin]1. The conference was[填空1]opened yesterday.