A：A
B：B
C：C
D：D
公元前4世纪，希腊北部迅速崛起的国家是（ ）
—Is Peter coming?
—No, he____ his mind after a phone call at the last minute.
Here is some _______. Do you like it?
美国内战扫清了资本主义发展的又一障碍，这一“障碍”是____。
