________ both sides accept the agreement ________ a lasting peace be established in this region.
A. Only if; willB. If only; would
C. Should; willD. Unless; would
It's strange that some fundamental professions in our society rarely receive the respect or acknowledgement they ________.
A. matchB. acceptC. reserveD. deserve
In less than 4 decades, we'll live longer and have children in old age. This shift is so significant that it is ________ to the change from monkeys to humans.
A. considerableB. comparableC. predictableD. irresistible
Parents should guide their children, not direct them. Observe ________ your child’s talent and interests lie, and then encourage them in those directions.
A. what B. where C. when D. that
We still don't know the exact time for the first human being ________.
A.to have been cloned B.being cloned
C.having been cloned D.to be cloned
One night in 1905, Frank accidentally left his drink outside on the overnight. ________? It was absolutely delicious.
A. What for B. So what C. Guess what
