When the audience heard the alarm, they all hurried to they thought was an emergency exit door.
#78503
A
what
B
which
C
where
D
who
推荐题目
Now it’s been possible for us to be taken into “space”, we can experience weightlessness for a short time.
#77879
A
which
B
when
C
where
D
that
I' ll never forget Mr. Smith, help we had made great progress.
#77393
A
with his
B
with whose
C
his
D
who
I wish to thank Professor Smith, without _______help I would never have got this far.
#76856
A
who
B
whom
C
whose
D
which