There are a large number of plants existing on earth, however, very little _______ was made of them to feed us.

In this lecture, I can only give you a purely_______view of how we can live life to the full and make some suggestions about the future.

 I know that it will be difficult to pick him out in such a crowd, but if you ________ happen to see him, give him this packet.

(2013·黄冈3月质检)—Do you know why Jane was so angry?—Her roommate gave in to ________ and opened the letter addressed to her.

(2013·辽宁，23)The accident caused some________to my car，but it's nothing serious.