单项选择题

Once these were solved, the railroad was established as the best means of land transportation.

A．这些问题一旦得到解决，铁路将成为最佳的陆上运输手段。
B．一旦解决了问题，这条铁路将是最好的陆上交通工具。
C．问题一次性解决，我们将建设一条最好的铁路用于陆上交通。
D．这些问题一旦得到解决，铁路将建成为陆上运输的最好方式。
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单项选择题
Until she spoke I hadn't realized she was foreign.
A．她说话了我才意识到她从国外来。
B．直到她说话，我也不知道她是外国人。
C．她要不说话，我还一直不知道她是外国人。
D．她说话了，我才意识到她是外国人。
问答题
I wish I could attend your birthday party. I know it will be lots of fun. Unfortunately my parents have already invited several of our relatives over for a reunion. I wonder if you could come on Saturday evening so you cast tell me all about the party.
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