①热量充裕 ②日照充足 ③降水丰沛 ④土壤肥沃
A:①②③
B:①②④
C:①③④
D:②③④
每个杯子7元,买这些茶杯一共要多少元?
—Hello! This is David. Can I speak to Tom? —Yes, ___________.