She wants to visit a place________people are friendly．

the methods they provided, ______ is of anyhelp for solving the math problem

Do you know in ancient China— I have no idea. But I know people once used tree leaves to make paper.

Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).

It just isn’t fair ________ I was working as a cleaner last month; my friends were on a visit to Dalian.( 2012·湖北八校联考)