You want it, we have it, _____ a very good price. [ ]

I cannot______ puzzled，for I simply cannot understand how I could have made such a stupid mistake.

I am gaining weight. I need to see a doctor.— But I think you eat too much. ___________.

I’d like to trek ________ the jungle.[ ]

The reason_____he gave for his coming late was _____his car broke down on the way.