.----Simon won the first prize in the math contest, do you know?----Yes, ________, he’d won several first prizes on the subject.
It was last Saturday ________ we visited the History Museum.
I suggested that the problem _____as soon as possible.
When ________ to the market, these products were very popular.
His English, ______ used to be very poor is now excellent.
---- Why don’t we choose that road to save time? ---- The bridge to it _________.