陈超要参加“长征行”旅游活动，他应选择的地点包括
①遵义②瑞金③会宁④西柏坡 [ ]
A．①③④
B．②③④
C．①②④
D．①②③
答案：D
炮筒子
What a pity! I missed meeting my friend at the airport because my car was ________ in the traffic jam. [ ]
A. broken up
B. held up
C. kept back
D. kept up
