He is believed____________ in at his office on his way home

How do you like her painting —Great.Ithink no one else can draw _______.

You can only be sure of _______ you have at present;you cannot be sure of something _______ you might get in the future

It has been pointed out ________ plays a vital role in driving away one’s anxiety is one’s sweet childhood memories.

The project Wang Lin’s life is one of the many government programmes ________improving the situation for the poorest people in China.