I started into the darkness and wonderful if he was as_____my presence as I was of his.

Nowadays, most young people enjoy ______ on the Internet.

I’m very pleased with the results of my blood test, for all tested items show _____ reactions.

We had to ______ our visit to the pyramids because we didn’t have enough time to see them before we left Egypt.

In the past ,the miners had to be extremely         to bear the uncomfortable conditions at mines.