I failed in the final examination last term and only then ________ the importance of studies.
Only when ____in the afternoon _____able to leave.
---- I usually take a walk at night. ---- ___ do that.
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.