7. seven表示数量,players体现可数名词复数,故用疑问词:How many
How many players are there on your side?
8. beside the cup体现地点,故用疑问词Where。
Where does she put the knife ?
9. some oranges表示事物,作句中的主语,故用疑问词What。
What's in the basket?
How many players are there on your side?
Where does she put the knife?
What are there in the basket?
保证正确