. _______ different kinds of pianos, the workers farther improved their quality.
#97438
A
To produce
B
Being produced
C
Produced
D
Having produced
推荐题目
Chinese GDP has been growing steadily year by year, _________ second in the world now.
#92806
A
to rank
B
ranked
C
ranking
D
ranks
－What made you so delighted at Christmas? －__________.
#95298
A
I received many more presents than others
B
Because my parents promised me a new car
C
My uncle’s coming back from abroad
D
As there was an unusual celebration
The stone bridge __________ last year is very beautiful.
#90813
A
built
B
was built
C
being built
D
to be built
—— Have you considered _____ your job as a teacher?——Yes. I like the job because a teacher is often considered _____ a gardener.
#98926
A
to change; to be
B
to change; being
C
changing; being
D
changing; to be
I would appreciate________back this afternoon so that we can reach an immediate decision.
#88503
A
you to call
B
you call
C
your calling
D
you're calling