Be quiet! The students ______ a physics test in the next room.
#36443
A
had
B
have had
C
were having
D
are having
推荐题目
At last our head teacher ______ who broke the window of the classroom.
#40675
A
looks for
B
finding
C
found
D
found out
Peter has many brothers, but he _________ have any sisters. 
#41604
A
is not
B
can not
C
did not
D
does not
The population of the world ____ still ____ now.
#39634
A
has; grown
B
is; growing
C
will; grow
D
is; grown