I forgot to take the key to the bike with me again.

The computers are _____ sale _____ ＄500! [ ]

Your shoes are so old. Why don’t you buy a new pair?— Because I _______ all my money on an iPod.

I would rather ________the football match last night with my friends. Otherwise，I would have finished my paperwork by now.

What are you going to do this weekend?—–I’m going to help _____the city parks with my classmates to make them clean.