選A.doesn't own
own 這個詞沒有完成時態(tài),因此不選B,C ,又因為后半句用的是一般現(xiàn)在時,提示前文也是現(xiàn)在時.You'd better ____ ____(不要說話)in class.She could read and write when she was five years old.(簡單句)She could read and write____________________ _______five.If you don't hurry up, you'll be late again.(同義句)_____ _____,____you'llbe late again.She____________ ______(會)swim when she was five.You'd better not talk in class.She could read and write at the age of five.Hurry up, or you'll be late again.She was able to swim when she was five.是seesbdo sth嗎？She kept _____on the maths problem....是填 working 嗎是make sb do sth嗎??he is a good comrade.he____of others.A thinks always B always thinks C always is thinking Dis always thinking對， see sb. do sth.make sb. do sth 都是正確的表達。She kept working on the maths problemHe is a good comrade. He always thinks of others. (B)