2020年成人高考专升本《英语》模拟试题及答案31
16. ________ it is very late now, the students are still working in the lab.
A) As
B) When
C) If
D) Although
17. In the world no country has exactly the same folk music ________ that of any other countries.
A) with
B) as
C) to
D) like
18. He used to ________ the first to arrive and the last to leave.
A) is
B) was
C) being
D) be
19. The patients will have to wait all day ________ the doctor works faster.
A) if
B) whether
C) unless
D) that
20. The new model costs twice ________ last year’s.
A) more than
B) as much as
C) as many as
D) than