—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
Tom ' s brother _____ me  _____  Tom just now.
#39001
A
make , to help
B
make , help
C
made , help
D
made, to help.
The schoolboy _________to the blind man on his Way home yesterday afternoon.
#39023
A
apologizes
B
apologized
C
will apologize
D
has apologized
— Have you finished your homework?— Not yet. But I _______ it in half an hour.
#39667
A
finished
B
have finished
C
will finish
D
finish
Please be quick, or we will have no time ____ lunch. 
#40631
A
to have
B
having
C
on having
D
have