Am I going the wrong way?Do you know?{合并为含宾语从句的复合句}

Who invented Chinese chess?Do you know?合并为含宾语从句的复合句 you are not fit for the job .i think so .合并为含宾语从句的复合句 改含宾语从句的复合句Where is the museum?Do you know?改为:Do you know _ D do you know?when will he be back?(将上述两句合并成含宾语从句的复合句) do you whose car is that?I don't know.合并为含有宾语从句的复合句 将下列句子合并成含宾语从句的复合句 1.Know ...Tom is good at dancing I know（ What happend?Do you know?改为含宾语从句的复合句 ·合并成含宾语从句的复合句·合并成含宾语从句的复合句 When does the train leave?I want to know.改为含宾语从句的复合句 what do you like to eat my friends know.（合并成含有宾语从句的复合句） "what do you want "the waiter asked the guests 连成含宾语从句的复合句 I am afraid.I can't find the lost books合并成含有宾语从句的复合句