问题
填空题
用所给词的适当形式填空。
1. They enjoyed ________ (they) last Sunday.
2. He is thinking of how ________ (answer) her questions.
3. He'd like ________ (talk) with you.
4. Please ________ (be) careful (仔细), It's dangerous.
5. "No ________ (talk)!" said the teacher.
答案
1. themselves 2. to answer 3. to talk 4. be 5. talking