—Has Sam finished his report?—I have no idea. He _______ it in his office the whole morning.       
#53555
A
writes
B
has written
C
will write
D
was writing
推荐题目
He never____learning English.That was why he was successful at last.
#59299
A
gave in
B
gave out
C
gave up
D
gave away
How did you______ the weekend?
#59129
A
spend
B
take
C
do
D
spent
 Hurry up! The film _______ for ten minutes. 
#54337
A
was on
B
started
C
has been on
D
has started