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:【1】to answer【2】watching【3】will come【4】winning【5】climbing