Which of the following words can NOT be added the prefix "un_______" to give it the opposite meaning?( )
A.happyB.healthyC.usualD.polite
Lin Tao isn't here now.He ______ to Qingdao.( )
goes
went
has been
has gone
________ do you like pandas?
Because they are very cute.( )
What
Who
Why
Where
There are some people ____ soccer in the park.( )
play
plays
playing
to play
We often exercise to keep ______.( )
health
healthy
healthily
unhealthy
What will the weather be like tomorrow?
It will be _____.( )
rain
rainy
raining
to rain