When I got on the bus,I ________ I had left my wallet at home.(2011·山东)
______side of the street is lied with different shops, _______ of which sell electronic products.
He arrived here at noon, ______in the day, and he went out and came back_______ in the day.
Only when _____ possible to settle the problem.
They stayed with me three weeks, _____ they drank all the wine I had.
Sometimes we are asked _____ the likely result of an action will be.