Look, so many people are running out of the station. I wonder what ________.
#36284
A
is happened
B
was happening
C
is happening
D
had happened
推荐题目
So far, most of the work _______ by others, it’s your turn to do the rest of it.
#39421
A
has finished
B
finished
C
has been finished
D
is finished
Our teacher told us that light _____ much faster than sound.
#41507
A
traveled
B
travels
C
is traveling
D
was traveling
You won’t have the chance to succeed when you ________.
#42061
A
gave up
B
give up
C
will give up
D
are giving up
—What did the teacher say just now? — Sorry. I didn’t catch it. I ____ something else.
#42274
A
think
B
will think
C
was thinking
D
had thought
