If you are feeling so tired , perhaps a little sleep would ______.

Mountain climbing ______ be really dangerous at times even though it is challenging and exciting in general.

rty, which had been greatly _____,was spoiled by the rude behavior of an uninvited guest

Hey, Allan! Why do you look so upset— My cousin brother took my toy car away _______ asking me .

I use your color pencil—Sure. Here you are.