He wondered if he could slip out of the lecture hall without anyone _____.
#91045
A
noticing
B
noticed
C
to notice
D
being noticed
推荐题目
_________ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
#91458
A
As
B
With
C
When
D
Because
Changling, the largest of the Ming Tombs, is at the heart of Shisanling, with the other tombs _____ on either side of it.
#91058
A
placing
B
to place
C
placed
D
being placed
In the reading room, we found her seated at a desk, her attention ____ on a novel.
#90957
A
fixing
B
to fix
C
fixed
D
having fixed
With trees and grass__________39.6% of the urban area，the city has taken on a new look.
#91440
A
covering
B
covered
C
to be covered
D
being covered