He spends a lot of time ________ what Christmas presents _______ to friends.
A.thinking, giving B.thinking, to give C.to think, to give D.to think, giving正确答案B
He spends a lot of time ________ what Christmas presents _______ to friends.
A.thinking, giving B.thinking, to give C.to think, to give D.to think, giving正确答案B