Wang Ling, one of my friends, is very good at English. He speaks English as if he ________ an Englishman.
It has been confirmed____________he wasn’t the person who stole your bike.
. He is clever and has a____________for learning language.
The storm is moving slowly____________.
. He made up his mind to devote his life____________the river____________polluted.
. Many people think that it is ____________making such an experiment.