Although we had been out of touch for ten years, I recognized her _____ I met her.

______ you put the sun there did the movements of the other planets in the sky make sense. [ ]

vernment has taken some measures to solve the shortage ofelectricity, but it may be some time __________the situation improves

－It’s said that a foreign English teacher will teach us English next term.－Wow! ___________! We can practice our oral English better.

Did Linda see the traffic accident -No, nosooner ______than it happened.