________ that I was puzzled.
A. So difficult a question did he ask me
B. Such difficult a question did he ask me
C. Such a difficult question he asked me
D. He asked me a so difficult question
The factory, including its machines and buildings, ______ burnt to ashes during the fire.
A. is B. are
C. was D. were
– Are you cleaning my room?
– I can’t help _____. I can’t bear seeing people’s room in a mess!
A. it B. this
C. anything D. so
He thought that painting copied by a modern artist was ______ great value and bought it ____ over a thousand dollars.
A. at; for B. of; for
C. of; at D. for; by
Let him who tied the bell onto the tiger take it off -- _____ started the trouble should end it.
A. whomever B. who
C. whoever D. anyone
Social networking is an important factor _______ business success.
A. devoting to B. appealing to
C. attaching to D. leading to