There is no doubt ______ smoking can seriously damage our health.
#93557
A
that
B
whether
C
why
D
which
推荐题目
This dictionary, few pages ___are missing, is of great importance. 
#93704
A
among which
B
of which
C
in which
D
to which
______ a certain doubt among the people as to the practical value of the project.
#95174
A
It has
B
They have
C
It remains
D
There remains
Peter’s jacket looked just the same as Jack’s, but it cost ___________his. 
#92647
A
as much twice as
B
twice much as
C
twice as much as
D
as twice much as