青岛大花开花节位高，架下至多留一对杈，其余架下杈全部抹去。
参考答案：对
I my homework while my parents TV last night.[ ]
A. did, watched
B. was doing, were watching
C. was doing, watched
D. would do, were watching
奥地利的国家代码是（）。
A、AUS
B、AFG
C、AUT
