题目

完形填空My father was bornin a small town in the US. He wasn't sure what he wanted from 1,but something told him to 2 and begin a new adventure. He began thatadventure traveling to cities in the US before going on to Australia, NewZealand and the Philippines. He took my mother and us three daughters with himand went wherever the road 3 him. It's easy to feel4 when you're on the road. We made lots of newfriends on our trip — most of them are mechanics, since we often 5 hours in repair shops. But that was a way much6 than sitting by the roadside while waiting forthe engine to 7 when it wasHIV侵入人体后，攻击的对象主要是A.B淋巴细胞B.T淋巴细胞C.浆细胞D.巨噬细胞