______the doors were closed and that all the lights were off, the boy left the classroom.
#97703
A
Check
B
To check
C
Checked
D
Having checked
推荐题目
---What do you think has made Tom feel down? ---- ______ his seat in the election, I think.
#90152
A
As he lost
B
Lost
C
Losing
D
Because of losing
_________ that he was in great danger，Eric walked deeper into the forest．
#97919
A
Not realized
B
Not to realize
C
Not realizing
D
Not to have realized
When ________ to danger and conflict, men tend to increase blood pressure, ________ nervous and anxious.
#93524
A
exposed; felt
B
exposed; feeling
C
exposing; feeling
D
exposing; felt
China’s Beidou global satellite navigation system will have been completed by 2020, ____ of more than 30 satellites.
#91208
A
consisting
B
consisted
C
to consist
D
consists
The place is worth _________.
#95676
A
pay a visit
B
paying a visit to
C
paying a visit
D
pay a visit to