across 介词

从事物表面横过

例:I went across the road.(我穿过马路)

through 介词

从事物内部穿过

例:The thief got in through the window.(小偷是从窗户进来的)

over 介词

从事物上方越过

例: She climbed over the wall.(她翻过墙去)

cross 动词

相当于go across

例: He crossed the road with his mother.(他和他的妈妈穿过了马路)

习题:

The bird's singing came into my room __ the window and woke me up in the early morning .

A. cross

B. over

C. through

D. across