英语好点的人请进.
1.What tree comes in twos?_______________.Pear tree .
2.____at the news that I didn't know what to say to comfort her.
A.So sadly did she look B.So sad did she look B,为什么不是A.
3.There exists now a park that has a small river running.这什么用法.
4.October 1,2005 is the day_____I'll forever remember in my life.
A.that B.when C.on which D.from which C ABC三选项分别什么时候用?