Africans still use the language and customs of the countries which controlled them is the preposistional phrase of the countries an adjective or adverb?
Various countries use various types of sign language, but no country has a large enough deaf population to warrant the official language being sign language.
China, Singapore, Taiwan, Indonesia, Malaysia. Mandarin is spoken in several places but China is where it is the most common. They also speak Cantonese and several other dialects of Mandarin and...