问题
选择题
—Susan ,you are doing worse. You have to _____more _____ your study than computer games.
—Yes. I must control myself.
A．concentrate;on
B．decide;on
C．take;on
D．spend;on
答案
答案：D
题目分析：句意：苏珊，你做的更糟。你必须花更多的时间于你的学习而不是电脑游戏。是的。我必须控制我自己。concentrate on 意思是集中精力于， 可直接接名词concentrate on sth 或接动词ing concentrate on doing sth 或 concentrate one's effort on sth/doing sth ；decide on sth下定决心做某事。decide to do sth决定做某事；take带走，拿走；spend花费，度过。所以选D。