Which preposition or adverbial particle, if any, is right in each ---? Decide and pull down the list to see the answers.
Fast food is more difficult to protect from contamination --- bacteria and fungi. Fast food is more difficult to protect from contamination by bacteria and fungi.
I’ve never been --- Korea, but I’d like to. I’ve never been to Korea, but I’d like to.
I hope you will reply --- me. I hope you will reply to me.
The popularity of the cinema cannot be explained only --- these reasons. The popularity of the cinema cannot be explained only by these reasons.
Before, I only wrote e-mail --- my English classes. Before, I only wrote e-mail in my English classes.
I work as a secretary ___ a little company which imports vacuum cleaners. I work as a secretary in/for a little company which imports vacuum cleaners. More? Back?