Clark felt that his ______ in one of the most dramatic medical experiments of all time was worth the suffering he underwent.

Jay spends all his free time _______.A. paintB. paintingC. paintedD. paints

Jay spends all his free time_.A. paintB. paintingC. paintedD. paints

[单选题]______is known to all, Peking University is one of the most famous universi

[单选题]______is known to all, Peking University is one of the most famous universi

It is worth______that even the most complex scientific ideas can eventually affe

[单选题]Because his workplace was so busy and noisy，he longed most of all for______

And we all know strong relationships are one of the most important factors for a

The biggest hobby in America， the one ____ which Americans spend most time， ene

The biggest hobby in America the one ____which Americans spend the most time ene

[单选题]All of his friends each have an iPad, and not wanting to lose face, he ____