A. am B. will be C. were D. had been
A. increase B. toincrease C. increased D. increasing
A. with B. in C. on D. under
A. leave B. leaving C. left D. to leave
A. that B. where C. which D. who
A. we visited B. we would visit C. did we visit D. have we visited
A. be asked B. being asked C. was asked D. is asked
A. More B. The best C. The better D. Much
A. more reliable B. reliable C. mostreliable D. leastreliable
A. efficient B. most efficient C. moreefficient D. leastefficient