The author of the article believes that it is the test system, ______ teachers, that is responsible for the heavy burden of the middle school students nowadays.

Ann is in hospital.— Oh ,really? I ______ knowI ______ go and visit her.[ ]

Jackie, your brother is trying to sleep. Could youplease _______ your radio

Simon is _ a bad mood and doesn’t want to talk to  ．

Why are these mobile phones sold so well in your store，Mr Wang—Because almost every ________ likes their styles.