According to a UN report, some 844 animals and plants ______ in the last 500 years.
#102976
A
disappeared
B
were disappeared
C
have disappeared
D
had been disappeared
推荐题目
— You look tired.— Yes. I ___ non-stop until 8 o’clock.
#102862
A
had worked
B
work
C
have worked
D
was working
The student told me that he _______ the exam _______.
#101041
A
has had; yesterday
B
had; the day before yesterday
C
had had; the day before
D
had had; yesterday
Catherine came home happily, which suggested that she the final exam.
#102510
A
had passed
B
pass
C
would pass
D
should pass
A left –luggage office is a place where bags _____ be left for a short time, especially at a railway station.
#104881
A
should
B
can
C
must
D
will
–You speak very good Chinese. --Thanks. I _______ it for 4 years before I came to China.
#103358
A
studied
B
study
C
was studying
D
had studied
