John ______ in his room when he heard screaming.
#68460
A
is studying
B
studied
C
was studying
D
has studied
推荐题目
The police ________him to see if he had a gun.
#67228
A
searched
B
searched for
C
in search of
D
looked for
-----What are you going to be when you grow up ?-----I want to _______.
#81556
A
go to the sea  
B
go to sea
C
work beyond the sea
D
go to Qingdao by sea
He _______ gas a mile from home.
#67301
A
ran out of
B
ran out
C
run out of
D
run out