You___________ stop me. —Even if you __________it, I won’t allow you to swim across the river.

Thinking ______ you know_______ in fact you don’t is a terrible mistake.

Those who failed to get into the art exhibition________ disappointed as many of the artists who should have appeared did notcome.

_______while writing, he locked himself in his study. [ ]

He was so careless that he left _____the door ____. [ ]