That could set off a “credit event,” ______ world financial markets into turmoil（混乱）, much as the collapse(倒闭) of Lehman Brothers ______ in the fall of 2008.
#95443
A
threw；did
B
throwing；did
C
threw；had
D
throwing；had
推荐题目
Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled．
#96481
A
to be hit
B
to have hit
C
to have been hit
D
to hit
—Do you think you could get this package ________ for me, please?—No problem!
#89038
A
to mail
B
mailed
C
mailing
D
mail
—The state of illness is complicated．We need an experienced doctor．—Whom would you like to have____?
#94477
A
sent for
B
send for
C
to send for
D
been sent for
During the dialogue with Chinese youth in Shanghai, President Obama announced the U.S. would expand the number of students to study in China to 100,000 _______ ties between the two countries.
#96742
A
strengthening
B
strengthened
C
to strengthen
D
to be strengthened