Nuclear science should be developed to benefit people _______ harm them.
A. more than B. rather than C. other than D. less than
This problem may _______ more serious ones if left unsolved.
A. come across B. refer to C. carry on D. lead to
Crops such as peas or soybeans put important minerals back into the soil, ______ it ready for crops that need fertile soil.
A. makes B. to make C. made D. making
You may find it _______ that Charlie was taught to sing as soon as he could speak.
A. astonishing B. astonished C. to be astonished D. to be astonishing
Since then, finding ways to grow more peanuts ______ his life goal.
A. has been B. were C. was D. have been
______ with new scientific farming methods, they have been able to use less farmland than
in the past.
A. Equipped B. Having equipped
C. To be equipped D. Equipping
