【题目】The school bus he was looking forward to twenty minutes later.
A. arriving B. has arrived
C. is arriving D. arrived
在线课程【答案】D
【解析】
考查时态。句意：他一直期待的校车二十分钟后到达了。The school bus是先行词，he was looking forward to是定语从句，此空所填内容是谓语动词，根据twenty minutes later可知句子用一般过去时态，故答案为D。