—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The air pollution has caused the problem!
#56353
A
are
B
used to have
C
used to be
D
use to be
推荐题目
--- Dad, I ______ the theatre for a while, but I left my ticket at home.--- Don’t worry, my boy, I will take it to you.
#52463
A
have reached
B
will arrive at
C
have been at
D
get to
---- _______the door, please.----Come in please. The door _______.
#57526
A
Be open; opens
B
Be open; is opening
C
Open; opens
D
Open; is open
--Hello, Sandy. This is Jack. What are you doing?---I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.
#58631
A
has been
B
was
C
had been
D
will be
