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
Was it in the village_______we used to live in_______the accident happened?
#4955
A
where; that
B
which; that
C
that; where
D
where; which
______ students up to 2, 000 , the school has built another laboratory．
#4643
A
As
B
For
C
with
D
Since
11．My brother is an actor．He is several films so far．
#5030
A
appears
B
appeared
C
has appeared
D
is appearing
¾ Are you waiting for a bus from Medical University? ¾ Yes. I arrived here at the bus stop ten minutes ago, but the bus _______.
#4745
A
hadn’t come
B
won’t come
C
didn’t come
D
hasn’t come