With the help of high technology, more and more new substances ______ in the past years.
#104082
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
推荐题目
—What do you think of the book?—Oh,great.It’s a second time.
#103944
A
worth to read
B
worth of reading
C
worthy to be read
D
worthy of reading
Over the past decades, forest area ______ in China as a result of massive deforestation.
#102586
A
had decreased
B
decreased
C
is decreasing
D
has been decreasing
The dictionary still ______ where I ______ it a moment ago.
#100904
A
lies; laid
B
lied; lay
C
laid; laid
D
lies; lay
He is constantly ________ not to do that, but he still goes on doing it all the same.
#100163
A
telling
B
being told
C
told
D
to tell
— What about your self-drive trip yesterday? — Tiring! The road Was being widened，and we _________ rough ride.
#99887
A
have
B
would have
C
had
D
have had