I don’t think she is a nice woman；I’m ______ her empty talk.

What ______ the doctors most was that they could not find the cause of the disease.

I’m sure that if you make good use of your ______ time, your English will be improved in a short time.

I’ll go and see you whenever _______. 

— How is everything going?— It couldn’t be _______, for I lost my wallet this morning.