按要求做题。

1. Neither of my parents has gone abroad. (改为同义句)

My mother has ____________ gone abroad. ____________ has my father.

2. The population of China is 1.3 billion. (就画线部分提问)

___________ the population of China?

3. He has waited since he came here. (就画线部分提问)

___________  ___________  ___________ he waited?

4. It's three weeks since he left home. (改为同义句)

Three weeks ___________  ___________ since he left home.

5. He didn't go to the museum. I didn't go there, either. (合并为一句)

___________ he ___________ I ___________ to the museum.