My friend, Jack, is thought ______ foolishly. Now he has no one but himself to blame for losing the job.
A. to act B. to have acted
C. acting D. having acted
For many students, math is not something that comes _________. It takes effort.
A. regularly B. possibly
C. automatically D. secretly
The training program can give you a lift at work, ______ increase your income
by 40%.
A. so much as B. as well as
C. so long as D. as soon as
A recent research shows that there _____ volcanic activities on the moon and Mars. However, they no longer exist now.
A. had been B. has been C. were D. would be
If she had known what lay ____ for her, she would never have agreed to go.
A. in demand B. in debt
C. in place D. in store
The frozen waterfall has attracted floods of tourists to ____ the natural beauty.
A. cherish B. admire C. observe D. discover
