Look! Those boys ________ football.
#40563
A
are play
B
are playing
C
playing
D
play
推荐题目
. The train _____ for twenty minutes.
#41504
A
left
B
has left
C
is leaving
D
has been away
 --- What is he doing for vacation?-- He’s _______________.
#41642
A
going camp
B
go camp
C
go camping
D
going camping