I was ______ 5 yuan for parking my car for 2 hours.
A.asked
B.charged
C.offered
D.paid
答案:B
下列各式能用完全平方公式进行因式分解的是( )
A.4x2-6xy+9y2
B.4m2-4mn+n2
C.4a2-4a-1
D.4m2+9n2
Qingdao is a good place to visit. You can enjoy yourself there if you have a 。
A.chance
B.hour
C.drink
D.money