6.we are going to（the park）to have a picnic.

正确答案为：6。we are going to（the park）to have a picnic。（Where）（are）you going to have a picnic?7。l‘d like （ten）books。（How）（many）（books）would you like?8。l want to buy（two kilos of）rice。（How）（much）（rice）do you want to buy?^___^另外千万别忘记采纳哟!