—Who’s in the room? — Mr. Brown is. He         a letter now. 
#37199
A
writes
B
write
C
writing
D
is writing.
推荐题目
---How did the accident happen? ---You know, it ________difficult to see the road clearly because it_________. 
#38358
A
was; was raining
B
is; has rained
C
is; is raining
D
will be; will rain
--- ____________ my glasses? I can’t read without them.--- I ____________ them on the desk, but they are not there now.
#36641
A
Have you seen; have seen
B
Have you seen; saw
C
Did you see; have seen
D
Did you see; saw
Jack’s grandfather ________for more than twenty years.
#41835
A
has dead
B
has died
C
has been died
D
has been dead