___________ from space, the earth looks like a blue ball.
#41600
A
To see
B
Seeing
C
See
D
Seen
推荐题目
---Are these your dictionaries?  ---Yes, ________. 
#40315
A
these are
B
they are
C
those are
D
they’re
People are really ______________ when they listen to music .
#41819
A
relaxed
B
relaxing
C
relax
D
to relax
— Where is Millie? — She ______ a trip in her room.
#42579
A
plan
B
plans
C
is plan
D
is planning
Mike and I ______in the library now.
#42192
A
read
B
are reading
C
is reading
D
am reading