When the teacher asks him, he always ____.
#43575
A
keep silent
B
keep silently
C
keeps silent
D
keeps silenty
推荐题目
What the science teacher does and says _________ of great importance to college students.
#86194
A
was
B
are
C
is
D
were
Mary three of her classmates invited to the party.
#85887
A
as well; has been
B
and; have
C
as well as；was
D
as good as; were