Tom, clean up the broken glass _________ someone walks on it.
Look at the trouble I am in! If only I ____your advice.
On the closet _____ a pair of trousers his parents bought for his birthday.
Professor Smith, along with his assistants, __ on the project day and night to meet the deadline.
Could you please tell me where you bought the shoes __ yesterday?
. __ many times, but he still wouldn't listen.