By the time he arrived at the airport, the plane            .
#41977
A
has taken off
B
was taking off
C
would take off
D
had taken off
推荐题目
 -- ________  your homework yet?-- Not yet. I _______ it.
#38354
A
Have you done; am doing
B
Did you do; am doing
C
Have you done; did
D
Did you do; did
_______wonderful advice you have just _______me!
#37678
A
How; told
B
What a; given
C
How a; sent
D
What; given
Mr. Smith isn’t here. He ______ New York. I hear he ______ back in two days.
#40196
A
has gone to ; comes
B
has gone to ; will be
C
has been to ; comes
D
has been to ; will be