Yesterday, Jack was asked to make _______ speech in ______ front of the classroom to report what he did during the National Day.
It is helpful to ________ a good habit of reading in language learning.
----Could you tell me _____? I must find him.----Sorry .I have no idea. But he was here just now .
It’s said that more than 100 will attend this meeting in Shanghai.
Smile to the world, ________ the world will smile back to you.
The boy is ______ young to know _______.