Question

高中英语 为什么这题不选b，选a

Answer 1

come across 偶遇
run across 不期而遇
run after 追赶
come along 到来
根据句意,只有"come along"不符合句意. 故选择A

Answer 2

come across
偶遇;偶然发现;使产生…印象
短语
comes across人偶然相遇
come along
come along
1.到来；出现：
He went to Paris whenever the chance came along.
他一有机会就去巴黎.
2.进行；进展；生长：
How's your work coming along?
你的工作进展如何?
3.跟着一块去；一起向前走：
She wants to come along with us to the movie.
她想跟我们一起去看电影.
4.赶紧；快点；来吧：
Come along,it's nearly twelve o'clock.
快点,都快十二点了.