Some of my friends are interested in science,but none of them can tell_____.
#53699
A
when UFOs will appear next time.
B
why do horses know the way.
C
where was this kind of plant found.
D
how do elephants communicate.
推荐题目
I prefer       to        in summer.
#59249
A
swimming, boating
B
to swim, boat
C
to swimming, boating
D
swim, boat
At last, Lucy make the baby ____ and the baby began to laugh.
#54152
A
stop crying
B
to stop crying
C
stop to cry
D
to stop to cry