网址：http://m.1010jiajiao.com/timu_id_796888[举报]
Bob is young, _______ he knows a lot.
A．because B．so C．but D．unless
Tom likes pandas ________ they are cute．
A．so B．but C．because D．and
He was away yesterday _________ he was ill.
[ ]
I can't dance, ________ I can sing.
A．and
B．so
C．because
D．but