Look around when _____ the street. 
#98251
A
across
B
crossing
C
crossed
D
to be crossing
推荐题目
 ____ by high mountains, the city is infamous for air pollution. 
#90478
A
Surrounding
B
To be surrounded
C
Surrounded
D
Having surrounded
He sat on the sofa, with his arms ________ and eyes _______ on TV.
#95545
A
crossed; looked
B
crossed; looking
C
crossing; looked
D
crossing; looking