Many British people have noticed that butterflies _______ from its natural habitats during the past several years.
#102940
A
are disappearing
B
have been disappeared
C
have been disappearing
D
will have disappeared
推荐题目
—You look tired. —Yes. I _____ non-stop until twelve o’clock.
#103911
A
hasn’t been working
B
wasn’t working
C
was working
D
didn’t work
. –Tom, go to the office to fetch the papers. Who would you rather with you, Wang Lin or Li Feng? --- .
#102646
A
have go; Neither
B
go; Neither
C
have gone; None
D
have to go; None
I ________ ping-pong quite well, but I haven’t had time to play since the new year.
#104775
A
will play
B
have played
C
played
D
play
Walmart, which is one of the largest American supermarket chains, _______ some of its store open 24 hours on Mondays through Saturdays.
#101016
A
keep
B
keeps
C
have kept
D
had kept
---Why do you keep looking back? ---I have a feeling that we _______.
#103489
A
were followed
B
have been followed
C
are being followed
D
are following