The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
-- He said you’d be giving them a lift. -- ________. There are already five people.
-- Who is dancing to music in the next room? -- ________ the children.
Check your paper carefully to see ________ you have made any mistakes.
It rained a lot during their journey, so they ________ have had a good time.
People ________ with anyone who is always talking about how wonderful he is.