问题

wonder why he has been acting so strangely these days．—Recent pressure at work may ____ his behavior．

A:account for
B:call for
C:change for
D:stand for

正确答案是：

同类题型

Every student and every teacher ______.

Many experts hold the view ____teacher development is _____the key to better education lies

Why not ____ help when you were in trouble

have a quarrel about money last night, but nowwe have already _________.

this something, still unseen, theygave the name radium.