题干
My English teacher is usually very busy（繁忙）______.
A：all night
B：night
C：all the night
D：good night
答案(点此获取答案解析）
A
My English teacher is usually very busy（繁忙）______.
A：all night
B：night
C：all the night
D：good night
，已知高秆（G）对矮秆（g）为显性，抗病（T）对不抗病（t）为显性，则植株A和植株B的基因型可能为（ ）