Scientists generally agree that Earth’s climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.

They willfor Hong Kong next Wednesday.

They speak perfect English. How long have they learnt it— ______ they were seven years old.

The old couple used to live deep in the countryside, without easy _____ to shops.

___ you interrupt now Can’t you see I’m on the phone—Sorry Sir, but it’s urgent