—_________is very interesting to swim in the river in summer, but it’s dangerous.
#54466
A
This
B
That
C
It
D
He
推荐题目
______ are my sister’s pencils and ______ my ruler.
#54288
A
Those; that
B
These; that’s
C
This; that’s
D
That; this is
The students are cleaning their classroom. _____ are cleaning the windows. _____ are cleaning the chairs.
#53904
A
Some; Others
B
Some; Another
C
Others; The others
D
Some ; Other