This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.
As US President Barack Obama _____London, fresh figures showed US house prices were falling at their fastest pace on record.
Sorry, my parents can’t come to the meeting. They _____ to Beidaihe on holiday.
His heart beats fast ______ he hears her voice.
The other two areas ____ British and American English differ are spelling and pronunciation.
I walked all the way from home to the library, only____it closed.