初中英语请大家帮忙解答
1.Havesomemoretea,please,youwon'thavetoleavenow.为什么用won'thave而不是don'thave.
2.checkup表“身体检查”时后面的介词用on还是for?已知checkuponeyesight是正确的,那么如果是body,前面的介词还是on吗?