— Are those Tina's parents?
—
A:Yes, those are.
B:Yes, they are.
C:No, they are.
D:No, those aren't.
使用显微镜时,下列操作中符合要求的是( )
(2012•锦州)读“H”型经济格局图丙回答下列问题。
古人类的化石,是研究人类起源问题的直接证据.(判断对错)
—Linda, help _______ to some fruit.
—Thank you!