His best-known work that is ___ all praise can be seen in the museum.
This is____ a difficult problem ____ all of us can't work it out.
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.