---How’s your tour around the North Lake? Is it beautiful? ---It __________ be, but it is now heavily polluted.
She listened attentively while he poured out all his ____ for the future.
___ anybody call when I am away, please write down his name and address.
–What took you so long? –I got lost. I have no sense of direction.
Please arrange ___ first, and then let him have a good rest.
Students should always remember theory and should not at all be ___ from practice.