I failed again. I wish I _________ harder.—But you _________.

work with a strong will, we can overcome anydifficulty, _____great it is

If you want to know whether you are fit to learn history and geography, you’d better _________ your head teacher.

I usually forget _______ the window, but I remember_______ it yesterday.

The chances of discovering life on Neptuneare about a million _____.