1. 我想给家里写信. I want to ___ ___. 2. 你什么时候到家? When do you ___ ___? 3. 该吃晚饭了. It is time to ___ ___. 4. He can spell his name. (改为一般疑问句,并做否定回答) ___ he ___ his name? ___, he ___. 5. I want to take some books to the classroom. (改为否定句) I ___ want to take ___ books to the classroom.