After completing and signing it, please return the form to us in the envelope ________.
#94941
A
providing
B
provided
C
having provided
D
provide
推荐题目
You can’t imagine what great trouble they have _________ the problem_______.
#95579
A
to solve; being talked about
B
solving; discussing
C
to solve; to talk about
D
solving; being discussed
I saw him _______ out of the room. 
#98800
A
go
B
had gone
C
has gone
D
goes
The man is hard __.
#93549
A
to get along
B
to be got along with
C
to get along with
D
getting along