_______ she was standing and waiting for a bus that she caught sight of the former President Clinton．[ ]

She don’t know how she ____ the first couple of months after her husband’s death.

There is no need for you to go on a diet; you are only slightly overweight ______ your height.

The life we were looking forward to _____ _____ greatly in the last 30 years.

When a new disease breaks out, experts must ________ what to do in the fastest way.