I am tired Let’s stop__________ and go out to play games．

A．reads       B．read          C．to read         D．reading

-Do you mind__________ up the music?

-No．never mind．

A．turn         B．turning         C．turn         D．to turn

Jane is getting fatter，so her father advises her______ more exercise．

A．to take         B．not to take      C．how to take        D．why to take

Chinese athletes did a great job in the Winter Olympics in Canada．It can encourage post-90s （90后） _______

A．work harder                          B．worked harder

C．working harder                        D．to work harder

Students should do everything they can ________ their study.

A．improve           B．to improve             C．improving               D．improved