they____for five hours when they ____in New York.
A flew....arrived B had flown....had arrived C flew...had arrived D had flown...arrived
they____for five hours when they ____in New York.
A flew....arrived B had flown....had arrived C flew...had arrived D had flown...arrived
D
他们已经飞了5个小时才到纽约
大前提是过去时
所以过去完成的就用过去完成时
我不知道语法怎么解释 但是 应该是A没错
选D