问题
填空题
Read and write. (根据主语人称用be动词的正确形式填空)
1. What ______ you doing? I ______ sleeping.
2. Where _______ they?
3. I ______ fine. Thank you.
4. Mom, there ______ a call for you.
5. The snow _______ falling. Winter ______ here.
答案
l. are; am 2. are 3. am 4. is 5. is; is