_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
It is almost five years ______ we saw each other last time.
______ his timely help, Kate overcame the hardship at last.
This movie is referred to ______ a masterpiece of the famous director.
——What happened, officer?——Those prisoners made a (an) ______ to escape from the prison but failed.
——How do you find the cake? ——This cake is very sweet. You ______ a lot of sugar in it.