We must avoid _____ a bad impression on others in public places     . 
#95898
A
to leave
B
leaving
C
to have left
D
leave
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       his homework, he went out to meet his friends.
#92419
A
Having finished
B
finished
C
To be finished
D
To finish
__________the teacher entering  the classroom, the boy pretended _______ the text.
#91387
A
To see ; to read
B
Seen; reading
C
Seeing; to be reading
D
Seeing; to have read
Most people prefer _____ mony _____ it . 
#96819
A
spending ; to earning
B
to be spending ; to be earning
C
to spend ; to earn
D
having spent ; to having earned