1 . The farmers suffered a heavy________because of the terrible storm .

A．occasion

B．section

C．loss

D．insect

2 . Many parents feel a sense of ______ (lose) when their children leave home.(所给词的适当形式填空)

3 . Jenny was very sad over the __________ of the photos she had shot in Canada with her parents.

A．lost

B．loss

C．loose

D．losing

4 . Since this is my first trip abroad, I am really at a ________ (lose) about my tour plan. （所给单词适当形式填空）