can 与 can't 的书写与发音 — 英语句型题
题目
将下列句子改为含 can't 的否定句，每空一词，撇号（'）不要漏写。1. He can swim fast. He ______ ______ fast. 2. My cat can climb trees. My cat ______ climb trees. 3. We can sing this song. We ______ ______ this song. 4. Ben can ride a bike. Ben ______ ______ a bike.