—May I speak to the headmaster? —He a meeting now. Can I take a message?
A：is having
B：had
C：has
D：will have
我国有“海上花园”美称的省级行政单位是（ ）
— I have too much housework to do at home.
—_______ask your husband for help?
小雨班级的教室长、宽、高分别是12m、6m、3m，请计算小雨班级教室里空气的质量有多少？
7.847保留一位小数约是7.9。
