Measures have been taken to fight ________recurring food safety problems, but there is still a long way to go before China can rid itself ________ these issues.

Alice loves music. Every day she practices ________ the piano for an hour.

Which city is ______from Wuxi, Beijing or Shanghai

Will you please go to see the movie Just For Fun with me —No, I won’t. I ___ it already.

Living in the desert involves a lot of problems，______water shortage is the worst