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
Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited．
#4619
A
the; the
B
/; /
C
/; the
D
a; the
Harry, did you attend the dancing party________ at Jack’s house the other day?
#4562
A
held
B
having been held
C
to be held
D
being held
Can you tell me ______ that the 29th Olympic Games will take place?
#4620
A
it is when
B
when is it
C
when is
D
when it is
--What about the protection? ---Let’s keep the surface ____ dirty by putting a cover over it.
#4689
A
far from
B
free from
C
apart from
D
away from
Though ____money, his parents managed to send him to university.
#5035
A
lacked
B
lacking of
C
lacking
D
lacked in