China understands the situation and needs of underdeveloped countries on the issue of climate change and urges developed countries to support them___technology and finance
Do you know the trouble he had ______________ the work?
In the great war, he was lucky to escape ___________.
I ___________________ to stay out in the cold ___________ spend the night there.
___________ words and expressions have coming into the English language from American English.
A variety of books _____________ the children of different ages.