It’s dangerous______a tree．
#58020
A
climbing，
B
going up
C
to climb
D
clim
推荐题目
.—_____? —I usually play tennis.
#56077
A
Why do you play tennis
B
What do you usually do on weekends
C
When do you play tennis
D
Where do you play tennis
I am wondering ________ you have read “the Harry Potter series” written by JK Rowing.
#55180
A
when
B
whether
C
where
D
what