题干
– Why ask me to take that early bus?
--- Because that bus _______ the 9:30 train at Boston .
--- Because that bus _______ the 9:30 train at Boston .
A：joins to
B：joins u
C：unites with
D：connects with
答案(点此获取答案解析）
D
的烃，下列说法中正确的是（ ）
图象的对称轴方程可以为（ ）