Professor Smith, along with his assistants, ________ on the project day and night to meet the deadline.
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A
work
B
working
C
are working
D
is working
推荐题目
Everyone in our class works as hard as they can ________ to enter a good college.
#95600
A
to hope
B
hope
C
hoping
D
hoped
I had great difficulty___________ the suitable food on the menu in that restaurant.
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A
find
B
found
C
to find
D
finding
______with Greek mythology made Monica ______to go to Greece for an adventure herself.
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A
Being obsessed; determining
B
Being obsessed; determined
C
Obsessing; determining
D
Obsessed; determined
He started to explain， but she cut him short，_____ she had to catch a bus.
#98751
A
saying
B
said
C
to say
D
having said
When first____ to the market, these products enjoyed great success.
#95754
A
introducing
B
introduced
C
introduce
D
being introduced