WHEN there are some strangers in front of us, which of them will we trust? According to a new study in the online PloS One (《公共科学图书馆·综合》), people make their decisions to trus
.-How about paying a visit to Mr. Richardson, our former history teacher? -Good idea. I will e-mail him today so he ______ know ______ to expect us. A. shall; why B. m