Question

Although the peak travel time for Chinese railway doesn't start until Jan 19 this year, people who're eager to get a seat on the train _______ already _______ their struggles.

1. A.
   are; starting
2. B.
   has; started
3. C.
   have; started
4. D.
   are; started

Answer 1

C
试题分析：考察时态。本题的关键在于句中的副词already已经；该副词常常与现在完成时连用。该句的主语是people，故谓语动词使用复数形式。故C正确。
考点：考察时态
点评：时态题的考查关键是抓住句子的上下文含义和句中的时间状语。要根据时间状语来选择合适的时态，在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处。如since， so far等经常与现在完成时连用。在条件状语从句中用一般现在时代替将来时等等。