从括号中选择适当的内容补全句子。
1. My sister ________ (will watch/watches) the basketball game at the gym tomorrow.
2. ________ (Last Sunday/This Sunday), I went to the park.
3. I ________ (helped/will help) my mother clean the rooms next Saturday.
4. ________ (Who/When) went shopping with you?
5. ________ (Where/What) will his cousin go this summer holiday?