将下面句子连接成为含有宾语从句的复合句.

题目

将下面句子连接成为含有宾语从句的复合句.
1.These flowers are from Guangzhou.He said.
He said ___ these flowers ___ from Guangzhou.
2.Light travels faster than sound.My teacher told me.
My teacher told me____light ____faster than sound.
3.There will be a meeting in five days.Jack didn't know.
Jack didn't know_____there______ _____ a meeting in five days.
4.Can they speak French?I want to know.
I want to know_______ _______ _______ _______French.
5.Are the children playing games?Tell me.
Tell me _____ the children ______ _____games.
6.Have you finished your homework yet?Mr.Zhao asked Ma Gang.
Zhao asked Ma Gang_______ _______ ________ _______ _______homework yet.
7.How many people can you see in the picture?Who knows?
Who knows ______ ______ ______ ______ ______ ______in the picture?

答案

that,were（said是过去时,从句中用一般过去式）
that,travels(客观真理)
if,would be（said是过去式,从句中用过去将来时）
if they can speak (want是一般现在时)
if,are playing（祈使句）
if he had finished his (asked是过去式,从句中为过去完成时)
how many people i can see (knows时一般现在时)