I ＿＿ ping-pong quite well, but I haven’t had time to play since the new year.

A．will play

B．have played

C．played

D．play

牛乳中的液态脂肪分散在乳中会形成（）。

A.悬浮液

B.乳浊液

C.真溶液

D.胶体