问题
选择题
There were so many people on the platform waiting to ____ the train that we gave it up.
A．check
B．carry
C．find
D．board
答案
答案：D
题目分析：考查动词。A核对；B携带；C发现；D登(飞机、车、船等)。句意：有太多的人在站台上等待上火车，所以我们放弃了。根据句意说明A正确。
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