—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
The result is so ______ that we can hardly believe it.
#59684
A
surprising
B
surprised
C
amazed
D
surprise
She used to ______ with her parents, but now she is used to ______ with her classmates at school.
#59087
A
live; living
B
live; live
C
living; living
D
living; live
The teacher won’t begin the class ______ all the students ______.
#60700
A
until ; stop to talk
B
until; stop talking
C
if; stop to talk
D
if ; stop talking