I can’t figure out ____ you didn’t call Ted back that day. [ ]

Short skirts ______a few years ago, but they have come back again.

____ their small cottage in the countryside, they also have a big apartment in the city.

When ________ for his views about his teaching job, Tommy said he found it very interesting and rewarding.

It _____ long before we _____ the result of the experiments. [ ]