You are too late. The film ______ since half an hour ago. 
#41970
A
has begun
B
has been on
C
began
D
begins
推荐题目
When the teacher ______ how to do the experiment, the bell rang.
#37863
A
explains
B
will explain
C
was explaining
D
is explaining
While Jim ______the floor, someone ______at the door.
#40407
A
was sweeping, was knocking
B
was sweeping, knocked
C
swept ,was knocking
D
swept, knocked
----What do you want to do for vacation?------I_____my grandmother.
#38037
A
visit
B
am going to vist
C
visited
D
visiting