I have to remind myself that some birds are not meant to be caged. Their feathers are just too bright. And when they fly away, the part of you ________ knows it was an offence to lock them up does feel happy.

A. thatB. whoC. where

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

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

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

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

It's strange that some fundamental professions in our society rarely receive the respect or acknowledgement they ________.

A. matchB. acceptC. reserveD. deserve

________ 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

With a violent effort, Mathilde Loisel overcame her grief and replied, "Nothing. Only I haven't a dress. Give your invitation to some friend of yours whose wife will ________ better than I shall."

A. turn outB. carry outC. give outD. come out

Learning another language is like stepping out of a door, through which I can ________ and see more clearly my own language.

A. take backB. look backC. turn backD. get back

"He ________ lived well on his good looks, but instead he chose to thrive(成功) on his talent." People praised Ning Zetao like this.

A. should haveB. must haveC. might haveD. could have