— do you go to school on school days?
—I often go to school 7:30 a. m.
A:What time; on
B:What time; at
C:What; in
D:When; in
读“南亚略图”和“印度各月气温和降水分配图”,回答下列问题.
为探究植物的生理作用,南南设计并实施了以下三个实验.请据如图分析(注:氢氧化钠溶液能吸收二氧化碳):
— Could you help me _____ these books to the classroom?
— No problem. Let's go.