The paper conducts a ____________ and logical research on how to enhance college students' language competence.
A. systematic
B. realistic
C. biological
D. psychological
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Staying in hotel costs __________ renting a room in a dormitory for a week.
A. twice more than
B. twice as much as
C. spend nearly always
D. as much as twice
Tuition at an American university runs _________ one thousand dollars a semester.
A. so high as
B. as high to
C. as high as
D. as high than
Eric nearly always wins the science award because his projects are _________
A. extremely presented well
B. well presented extremely
C. presented well extremely
D. extremely well presented
The seats in the second plane _______________.
A. had completely been almost all filled
B. has all been almost completely filled
C. had almost all been completely filled
D. had almost been completely filled all