_____ puzzles me most is that I don’t know ______ the difference between the two lies.
| A．What, how | B．What, where | C．That, what | D．How, which |
This box is ______ heavy ________ I can’t carry it.
| A．too, to | B．so, that | C．very, that | D．too, that |
India has the second _______ population in the world.
| A．larger | B．most | C．smallest | D．largest |
Mary received ________ many postcards at Christmas.
| A．so | B．such | C．too | D．even |
The cake smells ______. Please throw it away.
| A．good | B．badly | C．bad | D．well |
--- What was the weather like yesterday?
--- It was terrible. It rained so ________ that people could _______ go out.
| A．hardly…hard | B．hardly… hardly | C．hard… hardly | D．hard… hard |