________ the classroom, the teacher found all the parents already______ there.
#103135
A
Entered; seated
B
Entering; seating
C
Entered; seating
D
Entering; seated
推荐题目
When the old man_____to walk back to his house,the sun____itself behind the mountain.
#103518
A
was starting;hid
B
had started;had already hidden
C
had started;was hiding
D
started;had already hidden
 The hotel wasn’t particularly good. But I ____ in many worse  hotels.
#99992
A
was staying
B
stayed
C
would stay
D
had stayed
 When I ________ home, I caught a thief stealing from a passer­by.
#99477
A
headed
B
was heading
C
has headed
D
had headed