________ repeatedly, the problem still appeared in the beginners’ homework.
#100762
A
Explaining
B
Having explained
C
Having been explained
D
To be explained
推荐题目
Prices of daily goods________through a computer can be lower than store prices.
#99181
A
are bought
B
bought
C
been bought
D
buying
–It’s really a pity that I didn’t see you in Shanghai. -- I _________ to see you in the hotel, but I was too busy.
#103349
A
hope
B
hadhoped
C
hoped
D
amhoping
You know, I ___ a job for three months, and this is my first interview．
#100457
A
was looking for
B
looked for
C
have been looking for
D
have looked for
how can you possibly miss the news ? It _____ on TV all day long.
#104995
A
has been
B
bad been
C
was
D
will be
（湖南省怀化市2014年高三第二次模拟考试）22. Tom, you play the violin so well. But I ______ you can play the violin.
#99106
A
didn’t know
B
don’t know
C
hadn’t known
D
haven’t known