一个池塘中的全部鱼虾构成的是 ( )
When you meet a new word, you can ________ in a dictionary.( )
cut it up
clean it up
look it up
put it up
Jack likes being with the classmates ________ are outgoing and kind.( )
where
which
when
who
________ clever dog Lucky is! It can understand Mr. Smith's orders.( )
What
What a
How
How a
We Chinese ________ by the touching documentary Amazing China.( )
encourage
encourages
are encouraged
are encouraging
My little brother is a tidy boy. He always keeps his room ________.( )
clean
to clean
cleaning
cleaned