Sally took a photo of her friends while they computer games.
#52944
A
play
B
are playing
C
have played
D
were playing
推荐题目
We all know that learning a foreign language _______ time and effort.
#52625
A
requires
B
reduces
C
removes
D
repeats
- In our school library, there____ a number of books on science and the number of them ______ growing larger and larger.
#54756
A
is, are
B
has, are
C
have, is
D
are, is