how long does it usually take to get there?

题目

how long does it usually take to get there?
about15 minutes,( )on the traffic
A depenging B depengds
C to depend D depended 为啥选A
（ ）for playing computer games many times，he is still obsessed with them.
A blaming B blamed
C to blame D having blamed 为啥选b 像这样的开头动词怎么确定形态

答案

第一题是非谓语的原因,非谓语常为分词与不定式,各有其功能,顾名思义,作用不是谓语,常为伴随情况用ing和表达目的to do等这里就是伴随情况,指15分钟可以到那,情况是交通（顺畅）二同样是非谓语,不过是现在完成时.非谓...