Quiz Fill in the blank with proper words. 1.My pen ____________. I cannot find it. (appear) 2.The book is on the top shelf. I’m not so tall that I am _________ to reach it. (able) 3.It’s ___________ for him to catch the early bus. Because he got up too late this morning. (possible) 4. __________________ leads to quarreling. (understand)

disappeared

unable

impossible

Misunderstanding