It is _____to deal with.
A. a too difficult a problem
B. very difficult a problem
C. too difficult a problem
D. a so difficult problem
_________this had been going on.
All the long night
B. All the night long
C. All long night
D. All night long
Although he is ______intelligent, he is ______lazy.
A. fairIy/rather
B. rather / fairly
C. fairly / little
D. much / rather
___________, he failed in the entrance examination.
A. To our much surprise
B. Much to our surprise
C. Much to suprise us
D. To our suprise much