It is these poisonous products ______can cause the symptom of the flu, such as the headache and aching muscles.

It was the training _______ he had at school _______ made him good jumper．

It was the training _______ he had at school _______ made him good jumper．

It was from only a few supplies ______ she had bought in the village ______ the hostess cooked such a nice dinner.

--I just wonder ______ that made Mo Yan so famous a writer.
--Of course his early experiences in his hometown.

It's on the festival occasions________ the family get together________ he misses his late father.

According to a report on Daily Mail, it’s on Wednesday _____ people start feeling really unhappy.

Was it through Mary _____ was working at a high school ____ you got to know Tom?

Can you explain ________ the sun goes down in the west?

Besides the content of a book, _____the editor also cares about is the number of readers.