He speaks English well indeed, but of course not _____ a native speaker [ ]

I’ve become good friends with several of the students in my school I met in the English speech contest last year

May I speak to your manager MrWilliams at five o’clock tonight?–I’m sorryMrWilliams _______ to a conference long before then.”

Stop throwing litter around, or you’ll offendthe neighbors.

The Great Wall took _ a new look after the People\s Republic of China was founded