Elephants would ______ if men were allowed to shoot as many as they wished.
Mary has been looking forward in the past 10 years to______the Great Wall.
It won’t be too long before we_____a way to smooth away these difficulties.
Much as he liked the book,____he didn’t have enough money to buy it.
At last they got the letter they____________.
__________the top of the pagoda(塔),the scenery of the whole city can be seen clearly under your feet.