按照要求完成下列句子。
1. Nice to meet you. (写出答语)
__________________________
2. His friend is a factory worker. (变为复数句)
_________________________
3. These are Mike’s friends. (就划线部分提问)
_____ _____ are these?
4. There are some computers on the desks. (变为否定句)
There _____ _____ computers on the desks.
5. The science lab is next to the office. (就划线部分提问)
_____ _____ the science lab?