1.---Were all the people in the car injured?
---No,_____only 2 people who got hurt.
A.there was B.it was
答案选B,it是什么? 如果A选项改成there were 对吗?
2.It is reported that some wild animals wew found ____dead in a big cave in the mountain.
A.hiding B.hidden
答案选B,为啥是被动?啥意思丫?
3.A team of US scientists suggests that African genes have a better sense of bitter taste than___of Europeans and Asians.
A.that B.those
答案选B,为啥是复数?这里是代a better sense of bitter taste吗?