_________ Day is coming. I'll buy some ________ for Miss Wu。（ ）
A：Teacher's, flower
B：Teachers', flowers
C：Teachers', flower
课内阅读。
后来，这里种了好多好多树，每棵树上都有鸟窝，每个鸟窝里都有喜鹊。
树有了邻居，喜鹊也有了邻居。
移栽幼苗通常根部要带土是为了避免伤害幼根和根毛，以保护根吸收水分和无机盐的能力。（ ）
—Hi, Bob! What's going on over there?
—Oh, Tom and Dick are playing chess, with a crowd of students watching them.
