题干
Tomorrow is Sunday. Charlie ____________ go to school.
A：have to
B：doesn’t have to
C：don’t have to
答案(点此获取答案解析）
B
Tomorrow is Sunday. Charlie ____________ go to school.
A：have to
B：doesn’t have to
C：don’t have to
．恒容时，温度升高，H2浓度减小，下列说法正确的是（ ）