---Why was Mr. Smith suddenly fired by his boss?---Because he was found_______ in the non-smoking office.
#94050
A
smoking
B
smoke
C
to smoke
D
smoked
推荐题目
Could I have a cigarette? I seem_________.
#95362
A
to run out
B
to have run out
C
to have run out of
D
to have been run out
He spent every minute he could _____ spoken English.
#98936
A
practise。m
B
to practise
C
practising。m
D
practised
 ____ by high mountains, the city is infamous for air pollution. 
#90478
A
Surrounding
B
To be surrounded
C
Surrounded
D
Having surrounded