北半球副热带高压带和副极地低压带之间的风向是( )
4
—How many ________ are there on the table?
—Three. Are you thirsty? Let's cut one and eat it.
一个三角形的一个内角是90°,是另一个内角的2倍,第三个角是____°,这个三角形是____三角形。
—No, only the two who did really good.