—Oh. Mary's not here these days. Is she ill? —_____.Her mother told me that she was in hospital.
A:I am afraid so
B:I hope not
C:I don't mind
D:I don't think so
1992年,邓小平的南方谈话提出了发展是硬道理的主张,从而进一步解放了人们的思想。( )
⑴____ A.zoo B.cool
⑵____A.fruit B.juice
⑶____A.book B.football
⑷____ A.cool B.good
⑸____A.bear B.pear
⑹____A.tiger B.kite
⑺____A.nice B.fine
⑻____A.bird B.girl
已知两条直线ax+y﹣2=0和3x+(a+2)y+1=0互相平行,则实数a等于( )