My sister is quite _____ and plans to get a Ph.D degree within one year.
A. aggressive B. enthusiastic C. considerate D. ambitious
Much time _____ siting at a desk, office clerks are generally troubled by various health problems.
A. being spent B. having spent
C. spending D. spent
--Do you still remember when we went to Australia?
--I can’t remember now but ______ sometime last winter?
A. might it be B. could it be
C. could it have been D. should it have been
His injuries were severe. Five minutes late, _______he would have died.
A. but B. or C. so D. and
He made great achievements in spite of his lowly _______.
A. resource B. belief C. origin D. source
Only when you try will you find how though the bottleneck may be ______ through.
A. to squeeze B. squeezed
C. squeezing D. being squeezed
