Listen, a small number of students ______ in the classroom. 
#40135
A
talk
B
talks
C
is talking
D
are talking
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 Father was very angry because his favorite glass ________ by his pet dog.
#36239
A
broke
B
has broken
C
was broken
D
has been broken
--Have you finished your work yet? --Yes, I have . It ____________ half an hour ago. 
#40189
A
has been finished
B
finished
C
was finished
D
has finished
— Mr. Lee ____ to a student when I entered the classroom this morning.-- He is very patient ____he is young.
#39865
A
talking; but
B
talks; though
C
was talking, though
D
talked, however
He told me that he ______ never ______ such a good film before. 
#37337
A
had, seen
B
have, seen
C
was, seen
D
would, seen