1. The instructer had the students … the experiment over.
a) to have done b) do c) to do
2. I hate him … .
a) laugh at b) to be laughed at c) laughed at

вы уверены?

вы уверены?

Только так правильно, разумеется, иначе бы не писал

1c2a...........................

1. The instructer had the students … the experiment over. b) do 2. I hate him … .b) to be laughed at