Maybe if I ________ science，and not literature then，I would be able to give you more help.(2011·北京)

Jim is ______ shy . He’s afraid ______ before the class .

We usually go to the park _______ theweekend.

ne of these guards, whom I had curedof a painful _____, was always praising my skill.

Those chairs are cool in summer because they are made ________ bamboo.