题干
用所给词的适当形式填空
①Sorry, I really don’t know how____ (answer)your questions.
②He sometimes spends much time____ (watch)football matches on TV.
③ Don’t worry. I____ (come)back in a few days. 4. All of us were excited about____ (win)the game.
④ My sister is afraid of____ (climb)the tree.
答案(点此获取答案解析）
to answer,watching,will come,winning,climbing
