Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search．
A． reduced B． formed C． trapped D． absorbed
It’s wise to find a place to travel ______ has a lot to present but hasn’t yet been hit by high price of admission as well as mass popularity．
A． where B． that C． in which D． what
______ for our dreams, as the principal addressed at the graduation ceremony, offers us a sense of belonging．
A． Being struggledB． Struggling C． Struggle D． To be struggled
Alice fell into a very deep hole on a sunny afternoon, her fantasy visit to the fairyland ______．
A． breaking off B． kicking off C． taking off D． showing off
The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly．
A． while B． although C． if only D． as though
The hunter shot at the birds ______ the big tree, only to shoot ______．
A． on; nothing B． on; neither C． in; none D． in; no one
