题目内容：

they willl lose their way easily in such a big city it is___ ___ ___ to ___ ___ ___ in such big
接上（city） it is hopeful for us to reach the foot of the hill before sunset
it's hopeful that ____ ____ ____ ____ ____ _____ ____ ____ before sunest
it's wrong that they throw the rubbish everywhere it's wrong ____ ____ ____ ____ ____ ____ ____
it is possible for you to arrive at the school on time
it is possible that ____ ____ ____ ____ _____ _____ ____ ____
To give is better than to receive
___is better___ ___than ____ ____

优质解答

1.easy for them ,lose their way2.we will（或can） reach the foot of the hill3.for them to throw the rubbish everywhere4.you can（或will） arrive at the school on time5.It ,to give ,to receive