An enormous frog sat ………………………………. the grass. A.on B.at C.in Answer and Feedback Answer:A do you want? view more test Xem thêm Share this post Some other questions you may be interested in. Somebody once used her advice and made a ....... out of buying shares in a small company that did well. The strange thing was that she never actually used her ....... to benefit herself. People started to be ....... of her and thought that perhaps she had a secret source of information. Some others wanted to try and ....... her out and prove that she didn't have this special ability. The plan was to pretend to ....... her house late one night and see if she was really any good at knowing it was*^*going to happen. Mike Andrews, whose idea it was, intended to give everything back but he just wanted to ....... her ability. As Mr Andrews was about to leave he found a note pinned to his door. It was from Mary Smith advising him to*^*be careful because she has just bought a ....... young guard dog.*^* I can't ....... those silly people who always go around with their mobile phones glued to their ears. If you think I didn't catch you ....... that young waitress, you're quite mistaken. He is such a coward because whenever it comes to speaking his mind he always ....... down instead.