Only when __________________ permission _______________ allowed to enter the lab.
#4817
A
a teacher has given; are the students
B
has a teacher given; are the students.
C
has a teacher given; the students are
D
a teacher has given; the students are
推荐题目
It is always difficult being in a foreign country, __________if you don’t speak the language.
#4917
A
extremely
B
naturally
C
basically
D
especially
Have your working conditions improved?---No, ______than before, I’m afraid.
#4921
A
no better
B
a little batter
C
not worse
D
no worse
Tom ! You _____on the phone just now, but you _____in.
#4552
A
wanted , were
B
are wanted , are
C
were wanted , weren’t
D
called , aren’t
_____ is not only what you do, but also how you do it that makes the difference.
#4566
A
There
B
This
C
That
D
It
It is generally believed that teaching is ___________it is a science.
#4916
A
an art much as
B
much an art as
C
as an art much as
D
as much an art as