_______ those past years, we couldn’t help feeling sorry for our parents who never had a rest all the year round.   
#96023
A
Looking back upon 
B
Looking around
C
Looking out 
D
Looking up
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_____ good, these cookies sell well.
#98902
A
Smelled
B
Smelling
C
Being smelled
D
To smell
Clouds are gathering, I think we’d better ______for the hotel in case it ______to rain.
#95632
A
to head; starts
B
head; starts
C
heading; start
D
heads; start
Tom does speak Chinese well, but his reading and writing skills leave much _______.
#98212
A
to improve
B
to be improved
C
improving
D
improved
The long-lasting war, ______ with blood and death, ended in people’s sadness, ______ no result.
#97137
A
filling; reached
B
filled; to reach
C
filling; would reach
D
filled; reaching