______________do you go for a trip with your family —Once a week.

The doctor said he _______ an operation yet.

I would appreciate ______, to befrank, if the goods could be delivered as soon as possible.

range man asked me to hand the letter to _____ Imet in the police station, saying it was very important.

In English class, our teacher often creates an environment _____ we are given the opportunity to solve problems ourselves.