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问题
选择题
It's my __________ book.[ ]
A. father
B. fathers
C. father's
D. fathers'
答案
答案:
C
选择题
看图,选择正确的单词,将其序号填入括号里。
( ) 1. —What are they?
—These are my
.
A. pants B. jeans C. socks
( ) 2. Our neighbour has a new baby.
The
are for him.
A. socks B. shoes C. shorts
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填空题
已知
A={x|y=
1-2x
+
2x-1
x+2
}
,B={y|y=x
2
-2x-3,x∈[0,3)},则用区间表示A∩B=______A∪B=______.
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