He tried his best to solve the problem, ________ difficult it was．
A. however B. no matter
C. whatever D. although
Mo Yan was awarded the Nobel Prize for Literature in 2012, ________ made one of the Chinese people’s long-held dreams come true.
A. it B. that
C. what D. which
The fires burned for three days, ________ a total of 25,000 buildings.
A. destroyed B. to destroy
C. having destroyed D. destroying
Tom took a taxi to the airport, only ________ his plane high up in the sky.
A. to find B. finding
C. being found D. to have found
Li Na is a Chinese tennis player, who is said ________ the world championship last year.
A. to win B. to have won
C. won D. to have been won
If he takes up this job, he will have no choice but ________ a much greater challenge.
A. meets B. meeting
C. to meet D. meet
